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PartsTable / COMPONENT / 633E-2AL
633E-2AL ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, leg_length: 2.250 INCHES MINIMUM IN, overall_length: 4.375 INCHES MINIMUM IN, connection_type: EXTERNAL QUICK DISCONNECT ALL ENDS, connection_style: BARBED OR SERRATED END ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-208-9277, 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
633E-2AL
NSN: 4730-01-208-9277
FSC: 4730
CAGE: 9H113 — DOVER RESOURCES INC DBA OPW ENGINEERED SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
leg_length2.250 INCHES MINIMUM IN
overall_length4.375 INCHES MINIMUM IN
connection_typeEXTERNAL QUICK DISCONNECT ALL ENDS
connection_styleBARBED OR SERRATED END ALL ENDS
style_designatorMALE COUPLING HALF
quick_disconnect_methodCAM-LOCKING ALL ENDS
quick_disconnect_nominal_size1.250 INCHES ALL ENDS IN
nominal_inside_diameter_hose_accommodated1.234 INCHES ALL ENDS IN
NSN4730-01-208-9277
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633E-2AL · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A-A-59326/2Interchangeable
interchangeable cross-reference
interchangeable
AA59326/2-4-BInterchangeable
interchangeable cross-reference
interchangeable
125-C-BRInterchangeable
interchangeable cross-reference
interchangeable
633-EInterchangeable
Same NIIN cross-reference
interchangeable
CAMLOK 633-E 2IN ALUMINIOInterchangeable
Same NIIN cross-reference
interchangeable
633-E 2IN ALUMInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633E-2AL?
633E-2AL is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 633E-2AL?
There are 6 known substitutes for 633E-2AL: A-A-59326/2, AA59326/2-4-B, 125-C-BR and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 633E-2AL?
633E-2AL is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-208-9277. 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