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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.
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Compact Extreme-Pressure Steel Threaded Pipe Fittings
These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces. They are zinc-plated steel, which have better corrosion resistance than plain steel fittings.
Female x male 90° elbow adapters are also known as street elbows.
Inline tees are also known as branch tees. Right-angle tees are also known as run tees.
NPTF (Dryseal) threads are compatible with NPT threads. UN/UNF (SAE Straight) threads are also known as O-ring boss threads; the male threads have either a gasket or a gasket and washer to prevent leaks.
90° Elbow Connectors, Female
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Female | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 3/8 | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 1/2 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/4 | 20 | 1,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/2 | 24 | 1,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 2 | 32 | 2,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
90° Elbow Connectors, Male
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Male | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 04 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 3/8 | 06 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 1/2 | 08 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 4,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/4 | 20 | 2,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/2 | 24 | 2,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
90° Elbow Adapters
UN/UNF
(SAE Straight) Male
Threads with Gasket
(SAE Straight) Male
Threads with Gasket
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size (A) | Thread Size (A) | Dash Size (A) | Pipe Size (B) | Thread Size (B) | Dash Size (B) | Max. Pressure | Material | Each | |
NPT Female × NPTF Male | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 1/4 | __ | 20 | 1 1/4 | __ | 20 | 1,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
| 1 1/2 | __ | 24 | 1 1/2 | __ | 24 | 1,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
NPTF Female × NPTF Male | |||||||||
| 1/8 | __ | 02 | 1/8 | __ | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 1/4 | __ | 04 | 1/4 | __ | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 3/8 | __ | 06 | 3/8 | __ | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 1/2 | __ | 08 | 1/2 | __ | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | __ | 12 | 3/4 | __ | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | __ | 16 | 1 | __ | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
NPTF Female × UN/UNF (SAE Straight) Male | |||||||||
| 1/8 | __ | 02 | __ | 7/16"-20 | 04 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 1/4 | __ | 04 | __ | 9/16"-18 | 06 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/8 | __ | 06 | __ | 3/4"-16 | 08 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | __ | 08 | __ | 7/8"-14 | 10 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | __ | 12 | __ | 1 1/16"-12 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | __ | 16 | __ | 1 5/16"-12 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
UN/UNF (SAE Straight) Female × UN/UNF (SAE Straight) Male | |||||||||
| __ | 1 1/16"-12 | 12 | __ | 1 1/16"-12 | 12 | 2,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| __ | 7/16"-20 | 04 | __ | 7/16"-20 | 04 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| __ | 9/16"-18 | 06 | __ | 9/16"-18 | 06 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| __ | 3/4"-16 | 08 | __ | 3/4"-16 | 08 | 4,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
90° Elbow Reducing Adapters
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
Pipe Size | Dash Size | ||||||
|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | Max. Pressure | Material | Each | |
NPT Female × NPTF Male | |||||||
| 1/2 | 1/4 | 08 | 04 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
NPTF Female × NPTF Male | |||||||
| 1/8 | 1/4 | 02 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 1/8 | 04 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 3/8 | 04 | 06 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/8 | 1/4 | 06 | 04 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/8 | 1/2 | 06 | 08 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 3/8 | 08 | 06 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 3/4 | 08 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 1/2 | 12 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
90° Elbow Reducers, Female
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
Pipe Size | Dash Size | ||||||
|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | Max. Pressure | Material | Each | |
NPTF Female | |||||||
| 1/4 | 1/8 | 04 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
45° Elbow Connectors
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Female | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/8 | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
45° Elbow Adapters
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Female × NPTF Male | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 3/8 | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
Tee Connectors, Female
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Female | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 3/8 | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/4 | 20 | 1,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/2 | 24 | 1,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
Tee Connectors, Male
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Male | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
| 1/4 | 04 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/8 | 06 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 08 | 6,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 4,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/4 | 20 | 2,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
Inline Tee Adapters
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Female × NPTF Male | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
| 1/4 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 3/8 | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
Right-Angle Tee Adapters
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Female × NPTF Male | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/4 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 0000 |
| 3/8 | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 1/2 | 20 | 1,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
Cross Connectors
- For Use With: Air, Hydraulic Fluid, Water
- Specifications Met: ASTM A576
| Pipe Size | Dash Size | Max. Pressure | Material | Each | |
NPTF Female | |||||
|---|---|---|---|---|---|
| 1/8 | 02 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 000000 |
| 1/4 | 04 | 5,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/8 | 06 | 4,500 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1/2 | 08 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 3/4 | 12 | 3,000 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |
| 1 | 16 | 1,800 psi @ 72° F | Zinc Plated Steel | 000000000 | 00000 |