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Technical Data Sheet
PartsTable / COMPONENT / CNEX6-178685-1/4X1/8
CNEX6-178685-1/4X1/8 ✓ 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 CNEX6-178685-1/4X1/8 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 4730-01-183-5927, 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
CNEX6-178685-1/4X1/8
NSN: 4730-01-183-5927
FSC: 4730
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
Part NumberCNEX6-178685-1/4X1/8
NSN4730-01-183-5927
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CNEX6-178685-1/4X1/8 · 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 TYPE: THREADED INTERNAL TUBE SECOND END
•
THREAD QUANTITY PER INCH: 16 FIRST END
•
LEG LENGTH: 0.562 INCHES NOMINAL SECOND END IN
•
THREAD CLASS: 2A FIRST END A
•
SEAT ANGLE: 42.0 DEGREES SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL TUBE SECOND END
THREAD QUANTITY PER INCH16 FIRST END
LEG LENGTH0.562 INCHES NOMINAL SECOND END IN
THREAD CLASS2A FIRST END A
LEG LENGTH0.562 INCHES NOMINAL FIRST END IN
SEAT ANGLE42.0 DEGREES SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
THREAD CLASS2A SECOND END A
SEAT ANGLE42.0 DEGREES FIRST END
THREAD QUANTITY PER INCH16 SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
SAE J512 3-3-3 040401BAInterchangeable
interchangeable cross-reference
interchangeable
502-0373Interchangeable
interchangeable cross-reference
interchangeable
J512 4-4-4 040401BAInterchangeable
interchangeable cross-reference
interchangeable
2702X4Interchangeable
interchangeable cross-reference
interchangeable
MS51880-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CNEX6-178685-1/4X1/8?
CNEX6-178685-1/4X1/8 is a CNEX6-178685-1/4X1/8.
What parts can replace CNEX6-178685-1/4X1/8?
There are 10 known substitutes for CNEX6-178685-1/4X1/8: SAE-J512, SAE J512 3-3-3 040401BA, 502-0373 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CNEX6-178685-1/4X1/8?
CNEX6-178685-1/4X1/8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-183-5927. 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.
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Last verified: July 2026