How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
More
D.O.T. Brass Compression Tube Fittings for Air
- Temperature Range: -40° to 200° F
- Tubing: Use with hard (Durometer 65D) nylon plastic
- Specifications Met: D.O.T. FMVSS 571
Fittings meet Department of Transportation FMVSS 571 safety standards for air brake lines. They have a single sleeve (ferrule) that compresses the tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless fittings. They are brass for good corrosion resistance.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 1/4 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 1/4" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1/8 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/2 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 1/4 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/2 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 1/4 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/8 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 1/4" | 1/4 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 1/4" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 3/8" | 1/8 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 1/4 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 3/8" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 0000 |
| 1/2" | 3/8 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
| 1/2" | 1/2 | Brass | 150 psi @ 72° F | 000000000 | 00000 |
Nuts for D.O.T. Brass Compression Tube Fittings with Thread Sealant for Air
- Tubing: Use with hard (Durometer 65D) nylon plastic
- Specifications Met: D.O.T. FMVSS 571
- Temperature Range: -40° to 200° F
Use these nuts with D.O.T. brass compression sleeves and fittings to create a seal on nylon tubing. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Sleeves for D.O.T. Brass Compression
Tube Fittings with Thread Sealant for Air
- Tubing: Use with hard (Durometer 65D) nylon plastic
- Specifications Met: D.O.T. FMVSS 571
- Temperature Range: -40° to 200° F
Use these sleeves with D.O.T. brass compression nuts and fittings to create a seal on nylon tubing. They are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Screw-On Hose Fittings for D.O.T. Hose
Create or repair D.O.T. hose assemblies in the field with just a wrench and a vise, no crimper required. To install, separate the two pieces of these fittings. Screw the hose-end portion onto your hose, then thread the nipple portion into the hose-end portion. When assembled, these fittings compress against the hose to form a strong seal. Also known as reusable fittings, they can be unscrewed from your hose and used on a new one. All meet labeling and performance requirements for motor vehicle brake hose fittings.
Fittings with a flared tube connection swivel 360° until tightened for easy installation. Those with a 37° flared end are also known as JIC (Joint Industrial Council) fittings. Those with a 45° flared end are also known as SAE fittings.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: See table
- Temperature Range: -40° to 300° F
- Specifications Met: D.O.T. FMVSS 106, SAE J517 100R5
- For Hose Manufacturer Series: Parker 201 SAE J517 100R5
- Maximum Pressure: See table
- Temperature Range: -40° to 300° F
- Specifications Met: D.O.T. FMVSS 106, SAE J517 100R5
- For Hose Manufacturer Series: Parker 201 SAE J517 100R5
For Hose | ||||||||
|---|---|---|---|---|---|---|---|---|
| ID | OD | For Tube OD | Thread Size | Thread Type | Dash Size | Max. Pressure | Each | |
Zinc-Plated Steel—Parker 20 Series | ||||||||
| 3/16" | 1/2" | 1/4" | 7/16"-20 | UN/UNF (JIC) | 04 | 3,000 psi @ 72° F | 0000000 | 000000 |
| 5/16" | 11/16" | 3/8" | 9/16"-18 | UN/UNF (JIC) | 06 | 2,250 psi @ 72° F | 0000000 | 00000 |
| 13/32" | 3/4" | 1/2" | 3/4"-16 | UN/UNF (JIC) | 08 | 2,000 psi @ 72° F | 0000000 | 00000 |
| 1/2" | 15/16" | 1/2" | 3/4"-16 | UN/UNF (JIC) | 08 | 1,750 psi @ 72° F | 0000000 | 00000 |
| 1/2" | 15/16" | 5/8" | 7/8"-14 | UN/UNF (JIC) | 10 | 1,750 psi @ 72° F | 0000000 | 00000 |
- Maximum Pressure: See table
- Temperature Range: -40° to 300° F
- Specifications Met: D.O.T. FMVSS 106, SAE J517 100R5
- For Hose Manufacturer Series: Parker 201 SAE J517 100R5
For Hose | ||||||||
|---|---|---|---|---|---|---|---|---|
| ID | OD | For Tube OD | Thread Size | Thread Type | Dash Size | Max. Pressure | Each | |
Zinc-Plated Steel—Parker 20 Series | ||||||||
| 3/16" | 1/2" | 1/4" | 7/16"-20 | UN/UNF (SAE 45°) | 04 | 3,000 psi @ 72° F | 0000000 | 000000 |
| 5/16" | 11/16" | 3/8" | 5/8"-18 | UN/UNF (SAE 45°) | 06 | 2,250 psi @ 72° F | 0000000 | 00000 |
| 13/32" | 3/4" | 1/2" | 3/4"-16 | UN/UNF (SAE 45°) | 08 | 2,000 psi @ 72° F | 0000000 | 00000 |
| 1/2" | 15/16" | 5/8" | 7/8"-14 | UN/UNF (SAE 45°) | 10 | 1,750 psi @ 72° F | 0000000 | 00000 |