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About Measuring Fittings
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Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Tight-Seal Moisture-Resistant Plastic Barbed Tube Fittings for Air and Water
- Temperature Range: -20° to 280° F
- Tubing: Use with firm or soft (Durometer 50A-90A) polyurethane rubber or PVC plastic
- Specifications Met: FDA Compliant 21 CFR 177.2470
Fittings have a single barb that creates a smooth clamping surface for extra-tight connections that minimize leaks. Made of acetal, they won’t absorb water and lose strength, even in high-humidity environments.
Straight Adapters, Tube × Male Threaded Pipe
| For Tube ID | Pipe Size  | Thread Size | Thread Pitch | Material | Color | Clarity | Max. Pressure | Pkg. Qty. | Each | |
NPT Threads | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8" | 1/8 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K14 | 00000 |
| 3/16" | 1/16 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K114 | 0000 |
| 1/4" | 1/16 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K121 | 0000 |
| 1/4" | 1/8 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K15 | 0000 |
| 1/4" | 1/4 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K16 | 0000 |
| 3/8" | 1/4 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K17 | 0000 |
| 3/8" | 3/8 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K18 | 0000 |
| 1/2" | 3/8 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K19 | 0000 |
| 1/2" | 1/2 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K21 | 0000 |
| 3/4" | 3/4 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K22 | 0000 |
| 1" | 1 | __ | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K23 | 0000 |
| Pkg. | ||||||||||
Metric Threads | ||||||||||
| 3mm | __ | M6 | 1 mm | Acetal Plastic | White | Semi-Clear | Not Rated | 10 | 6984N112 | 00000 |
| Each | ||||||||||
UNF Threads | ||||||||||
| 1/16" | __ | 10-32 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K11 | 000 |
| 1/16" | __ | 1/4"-28 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K116 | 0000 |
| 3/32" | __ | 10-32 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K111 | 000 |
| 3/32" | __ | 1/4"-28 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K115 | 000 |
| 1/8" | __ | 10-32 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K13 | 000 |
| 1/8" | __ | 1/4"-28 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K118 | 0000 |
| 5/32" | __ | 10-32 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K112 | 000 |
| 5/32" | __ | 1/4"-28 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K117 | 0000 |
| 3/16" | __ | 1/4"-28 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K119 | 0000 |
Straight Connectors, Tube
| For Tube ID | Material | Color | Clarity | Max. Pressure | Pkg. Qty. | Each | |
| 1/16" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K71 | 00000 |
| 3/32" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K122 | 000 |
| 1/8" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K72 | 0000 |
| 5/32" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K123 | 0000 |
| 3/16" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K124 | 000 |
| 1/4" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K73 | 0000 |
| 3/8" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K74 | 0000 |
| 1/2" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K75 | 0000 |
| 3/4" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K76 | 0000 |
| 1" | Acetal Plastic | White | Semi-Clear | Not Rated | __ | 5047K77 | 0000 |
| Pkg. | |||||||
|---|---|---|---|---|---|---|---|
| 5mm | Acetal Plastic | White | Semi-Clear | Not Rated | 10 | 6984N102 | 0000 |
| 6mm | Acetal Plastic | White | Semi-Clear | Not Rated | 5 | 6984N103 | 00000 |
| 7mm | Acetal Plastic | White | Semi-Clear | Not Rated | 5 | 6984N104 | 0000 |
| 10mm | Acetal Plastic | White | Semi-Clear | Not Rated | 5 | 6984N105 | 00000 |
Straight Reducers, Tube
| For Tube ID (A) | For Tube ID (B) | Material | Color | Clarity | Max. Pressure | Each | |
| 1/8" | 1/16" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K24 | 00000 |
| 1/8" | 3/32" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K127 | 0000 |
| 3/16" | 1/16" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K128 | 0000 |
| 1/4" | 1/16" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K129 | 0000 |
| 1/4" | 1/8" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K25 | 0000 |
| 3/8" | 1/4" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K26 | 0000 |
| 1/2" | 1/4" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K131 | 0000 |
| 1/2" | 3/8" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K27 | 0000 |
| 5/8" | 1/2" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K125 | 0000 |
| 3/4" | 1/2" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K28 | 0000 |
| 1" | 1/2" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K126 | 0000 |
| 1" | 3/4" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K29 | 0000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
| For Tube ID | Pipe Size | Thread Size | Material | Color | Clarity | Max. Pressure | Each | |
NPT Threads | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/16" | 1/8 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K32 | 00000 |
| 1/8" | 1/8 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K34 | 0000 |
| 1/4" | 1/8 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K35 | 0000 |
| 1/4" | 1/4 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K36 | 0000 |
| 3/8" | 1/4 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K37 | 0000 |
| 3/8" | 3/8 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K38 | 0000 |
| 1/2" | 3/8 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K39 | 0000 |
| 1/2" | 1/2 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K41 | 0000 |
| 3/4" | 3/4 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K42 | 0000 |
| 1" | 1 | __ | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K43 | 0000 |
UNF Threads | ||||||||
| 1/16" | __ | 10-32 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K31 | 0000 |
| 1/8" | __ | 10-32 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K33 | 0000 |
| 1/8" | __ | 1/4"-28 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K142 | 0000 |
| 3/16" | __ | 1/4"-28 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K143 | 0000 |
90° Elbow Connectors, Tube
| For Tube ID | Material | Color | Clarity | Max. Pressure | Each | |
| 1/16" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K81 | 00000 |
| 3/32" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K132 | 0000 |
| 1/8" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K82 | 0000 |
| 5/32" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K133 | 0000 |
| 3/16" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K134 | 0000 |
| 1/4" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K83 | 0000 |
| 3/8" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K84 | 0000 |
| 1/2" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K85 | 0000 |
| 3/4" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K86 | 0000 |
| 1" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K87 | 0000 |
Inline Tee Adapters, Tube × Male Threaded Pipe
Inline tees are also known as branch tees.
| For Tube ID | Pipe Size | Material | Color | Clarity | Max. Pressure | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/8" | 1/8 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K54 | 00000 |
| 1/4" | 1/8 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K55 | 0000 |
| 1/4" | 1/4 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K56 | 0000 |
| 3/8" | 1/4 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K57 | 0000 |
| 3/8" | 3/8 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K58 | 0000 |
| 1/2" | 3/8 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K59 | 0000 |
| 1/2" | 1/2 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K61 | 0000 |
| 3/4" | 3/4 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K62 | 0000 |
| 1" | 1 | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K63 | 0000 |
Tee Connectors, Tube
| For Tube ID | Material | Color | Clarity | Max. Pressure | Each | |
| 1/16" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K91 | 00000 |
| 3/32" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K145 | 0000 |
| 1/8" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K92 | 0000 |
| 5/32" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K146 | 0000 |
| 3/16" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K147 | 0000 |
| 1/4" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K93 | 0000 |
| 3/8" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K94 | 0000 |
| 1/2" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K95 | 0000 |
| 3/4" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K96 | 0000 |
| 1" | Acetal Plastic | White | Semi-Clear | Not Rated | 5047K97 | 0000 |
Moisture-Resistant Plastic Barbed Tube Fittings for Air and Water
- Temperature Range: -40° to 190° F
- Tubing: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
Made of acetal, these fittings won’t absorb water and lose strength, even in high-humidity environments. They have barbs that grip onto tubing.
Straight Connectors, Tube
| For Tube ID, mm | Material | Color | Clarity | Max. Pressure | Each | |
| 4 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K37 | 00000 |
| 5 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K38 | 000 |
| 6 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K39 | 0000 |
| 8 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K41 | 0000 |
| 10 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K42 | 0000 |
| 12 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K43 | 0000 |
90° Elbow Connectors, Tube
| For Tube ID, mm | Material | Color | Clarity | Max. Pressure | Each | |
| 3 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K59 | 00000 |
| 4 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K45 | 0000 |
| 5 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K46 | 0000 |
| 6 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K47 | 0000 |
| 8 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K48 | 0000 |
| 10 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K49 | 0000 |
| 12 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K51 | 0000 |
Tee Connectors, Tube
| For Tube ID, mm | Material | Color | Clarity | Max. Pressure | Each | |
| 3 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K52 | 00000 |
| 4 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K53 | 0000 |
| 5 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K54 | 0000 |
| 6 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K55 | 0000 |
| 8 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K56 | 0000 |
| 10 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K57 | 0000 |
| 12 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 2429K58 | 0000 |
Plastic Barbed Tube Fittings for Air and Water
Fittings have barbs that grip onto tubing.
Nylon fittings have excellent impact and abrasion resistance.
Straight Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
- Tubing: Semi-Clear: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Opaque: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID | Pipe Size | Material | Color | Clarity | Max. Pressure | Temp. Range, °F | Pkg. Qty. | Pkg. | |
NPT Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 4mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K12 | 00000 |
| 5mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K13 | 0000 |
| 6mm | 1/8 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K14 | 0000 |
| 6mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K15 | 0000 |
| 8mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K16 | 0000 |
| 10mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K19 | 0000 |
| 12mm | 3/8 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K44 | 0000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
- Tubing: Semi-Clear: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Opaque: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID | Pipe Size | Material | Color | Clarity | Max. Pressure | Temp. Range, °F | Pkg. Qty. | Pkg. | |
NPT Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 4mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K31 | 00000 |
| 6mm | 1/8 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K32 | 0000 |
| 6mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K33 | 0000 |
| 8mm | 1/4 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K34 | 0000 |
| 12mm | 3/8 | Nylon Plastic | Black | Opaque | 145 psi @ 72° F | -40° to 190° | 1 | 2429K99 | 0000 |
Inline Tee Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
- Tubing: Semi-Clear: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Opaque: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
Inline tees are also known as branch tees.