PartsTable
Technical Data Sheet
64A91E1-1 ✓ 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, overall_length: 1.578 INCHES NOMINAL IN, connection_type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: BEADED ALL ENDS, style_designator: MALE COUPLING HALF, features_provided: SELF-SEALING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-821-2481, 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
64A91E1-1
NSN: 4730-00-821-2481
FSC: 4730
CAGE: 97151 — AIR FORCE LIFECYCLE MANAGEMENT CENTER ELECTRONIC COMPONENTS (AFLCMC/EZSS) (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
overall_length1.578 INCHES NOMINAL IN
connection_typeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
connection_styleBEADED ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentANODIZE BODY
quick_disconnect_methodPUSH-PULL ALL ENDS
material_document_and_classificationQQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4730-00-821-2481
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 64A91E1-1 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION STYLE: BEADED ALL ENDS
STYLE DESIGNATOR: MALE COUPLING HALF
MATERIAL: ALUMINUM ALLOY BODY
FEATURES PROVIDED: SELF-SEALING
SURFACE TREATMENT: ANODIZE BODY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
CONNECTION STYLEBEADED ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
MATERIALALUMINUM ALLOY BODY
FEATURES PROVIDEDSELF-SEALING
SURFACE TREATMENTANODIZE BODY
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
OVERALL LENGTH1.578 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4615Interchangeable
interchangeable cross-reference
interchangeable
191091-HCInterchangeable
interchangeable cross-reference
interchangeable
5634Interchangeable
interchangeable cross-reference
interchangeable
4469Interchangeable
interchangeable cross-reference
interchangeable
0E915Interchangeable
interchangeable cross-reference
interchangeable
1297120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 64A91E1-1?
64A91E1-1 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 64A91E1-1?
There are 11 known substitutes for 64A91E1-1: 4615, 191091-HC, 5634 and 8 more. Substitute compatibility should be verified for your specific system.
Is 64A91E1-1 still available?
64A91E1-1 is currently cancelled.
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