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633E1 ✓ 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: ALUMINUM ALLOY BODY, leg_length: 2.250 INCHES NOMINAL IN, overall_length: 4.125 INCHES NOMINAL 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 4730-00-360-0713, 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
633E1
NSN: 4730-00-360-0713
FSC: 4730
CAGE: 81718 — OPW FUELING COMPONENTS INC. DIV OPW FUELING COMPONENTS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
leg_length2.250 INCHES NOMINAL IN
overall_length4.125 INCHES NOMINAL IN
connection_typeEXTERNAL QUICK DISCONNECT ALL ENDS
connection_styleBARBED OR SERRATED END ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentANODIZE BODY
quick_disconnect_methodCAM-LOCKING ALL ENDS
quick_disconnect_nominal_size1.445 INCHES ALL ENDS IN
material_document_and_classificationQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
nominal_inside_diameter_hose_accommodated1.000 INCHES ALL ENDS IN
surface_treatment_document_and_classificationMIL-A-8625,TY2,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
NSN4730-00-360-0713
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633E1 · 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
•
CONNECTION STYLE: BARBED OR SERRATED END ALL ENDS
•
QUICK DISCONNECT NOMINAL SIZE: 1.445 INCHES ALL ENDS IN
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
•
SURFACE TREATMENT: ANODIZE BODY
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY2,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEBARBED OR SERRATED END ALL ENDS
QUICK DISCONNECT NOMINAL SIZE1.445 INCHES ALL ENDS IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.000 INCHES ALL ENDS IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
SURFACE TREATMENTANODIZE BODY
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY2,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
2793Interchangeable
interchangeable cross-reference
interchangeable
654044Interchangeable
interchangeable cross-reference
interchangeable
945815Interchangeable
interchangeable cross-reference
interchangeable
1212DLInterchangeable
interchangeable cross-reference
interchangeable
062620Interchangeable
interchangeable cross-reference
interchangeable
6262Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633E1?
633E1 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 633E1?
There are 22 known substitutes for 633E1: 2793, 654044, 945815 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 633E1?
633E1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-360-0713. 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