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Technical Data Sheet
PartsTable / COMPONENT / 77A1-1/2IN
77A1-1/2IN ✓ 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 77A1-1/2IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-062-6339, 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
77A1-1/2IN
NSN: 4730-00-062-6339
FSC: 4730
CAGE: 79154 — VICTAULIC COMPANY OF AMERICA INC DBA VICTAULIC COMPANY OF AMERICA (USA)
SPECIFICATIONS
Part Number77A1-1/2IN
NSN4730-00-062-6339
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 77A1-1/2IN · 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: ALUMINUM ALLOY HOUSING
•
PIPE SIZE ACCOMMODATED: 1.500 INCHES NOMINAL IN
•
SEGMENT QUANTITY: 2
•
END TYPE FOR WHICH DESIGNED: GROOVED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY HOUSING
MATERIALRUBBER SYNTHETIC GASKET
PIPE SIZE ACCOMMODATED1.500 INCHES NOMINAL IN
SEGMENT QUANTITY2
END TYPE FOR WHICH DESIGNEDGROOVED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
MIL-C-10387Interchangeable
interchangeable cross-reference
interchangeable
MILC10387BInterchangeable
interchangeable cross-reference
interchangeable
100SERIES4INGR00VETYPE2BUTYLInterchangeable
interchangeable cross-reference
interchangeable
77DTInterchangeable
interchangeable cross-reference
interchangeable
A-A-52598Interchangeable
interchangeable cross-reference
interchangeable
M10387-B12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77A1-1/2IN?
77A1-1/2IN is a 77A1-1/2IN.
What parts can replace 77A1-1/2IN?
There are 27 known substitutes for 77A1-1/2IN: MIL-C-10387, MILC10387B, 100SERIES4INGR00VETYPE2BUTYL and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77A1-1/2IN?
77A1-1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-062-6339. 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