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PartsTable / COMPONENT / 633AA4X2AL
633AA4X2AL ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The NIPPLE,QUICK-DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, connection_type: EXTERNAL QUICK DISCONNECT, connection_style: CAM OR LEVER (EXTRENAL), style_designator: NIPPLE, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, quick_disconnect_method: CAM-LOCKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-190-5538, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
633AA4X2AL
NSN: 4730-01-190-5538
FSC: 4730
CAGE: 81718 — OPW FUELING COMPONENTS INC. DIV OPW FUELING COMPONENTS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
connection_typeEXTERNAL QUICK DISCONNECT
connection_styleCAM OR LEVER (EXTRENAL)
style_designatorNIPPLE
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
quick_disconnect_methodCAM-LOCKING
quick_disconnect_nominal_size2.000 INCHES IN
NSN4730-01-190-5538
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633AA4X2AL · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
QUICK DISCONNECT NOMINAL SIZE: 2.000 INCHES IN
•
QUICK DISCONNECT METHOD: CAM-LOCKING
•
STYLE DESIGNATOR: NIPPLE
•
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT
•
CONNECTION STYLE: CAM OR LEVER (EXTRENAL)
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
MATERIAL: ALUMINUM ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
QUICK DISCONNECT NOMINAL SIZE2.000 INCHES IN
QUICK DISCONNECT METHODCAM-LOCKING
STYLE DESIGNATORNIPPLE
CONNECTION TYPEEXTERNAL QUICK DISCONNECT
CONNECTION STYLECAM OR LEVER (EXTRENAL)
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
MATERIALALUMINUM ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
633AA-1-1/2X2ALInterchangeable
interchangeable cross-reference
interchangeable
1520-AA-ALInterchangeable
interchangeable cross-reference
interchangeable
633AA1 1/2X2Interchangeable
interchangeable cross-reference
interchangeable
633AA-4X4ALInterchangeable
interchangeable cross-reference
interchangeable
633AA-1387 SAND COLORInterchangeable
interchangeable cross-reference
interchangeable
633AA-2X2ALInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633AA4X2AL?
633AA4X2AL is a NIPPLE,QUICK-DISCONNECT.
What parts can replace 633AA4X2AL?
There are 24 known substitutes for 633AA4X2AL: 633AA-1-1/2X2AL, 1520-AA-AL, 633AA1 1/2X2 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 633AA4X2AL?
633AA4X2AL is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-190-5538. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026