PartsTable
Technical Data Sheet
AW-427 ✓ 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

ADAPTER,STRAIGHT,PIPE TO GAS FIT. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL GAS FITTING SECOND END, connection_style: SWIVEL NUT, FLARED (GAS FITTING) SECOND END, nominal_thread_size: 0.625 INCHES SECOND END IN, media_for_which_designed: GAS SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-282-8479, 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
AW-427
NSN: 4730-01-282-8479
FSC: 4730
CAGE: 16166 — WESTERN ENTERPRISES DIV OF SCOTT AND FETZER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL GAS FITTING SECOND END
connection_styleSWIVEL NUT, FLARED (GAS FITTING) SECOND END
nominal_thread_size0.625 INCHES SECOND END IN
media_for_which_designedGAS SINGLE RESPONSE
thread_series_designatorNPT FIRST END
NSN4730-01-282-8479
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AW-427 · 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
THREAD SERIES DESIGNATOR: UNF SECOND END
NOMINAL THREAD SIZE: 0.625 INCHES SECOND END IN
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
THREAD CLASS: 3A SECOND END A
CONNECTION STYLE: PLAIN (PIPE) FIRST END
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF SECOND END
NOMINAL THREAD SIZE0.625 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
THREAD CLASS3A SECOND END A
CONNECTION TYPETHREADED EXTERNAL GAS FITTING SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORNPT FIRST END
MEDIA FOR WHICH DESIGNEDGAS SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
K5043637Interchangeable
interchangeable cross-reference
interchangeable
J513Interchangeable
interchangeable cross-reference
interchangeable
64C1-4Interchangeable
interchangeable cross-reference
interchangeable
C-258Interchangeable
interchangeable cross-reference
interchangeable
3380239Interchangeable
interchangeable cross-reference
interchangeable
5575401Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AW-427?
AW-427 is a ADAPTER,STRAIGHT,PIPE TO GAS FIT.
What parts can replace AW-427?
There are 12 known substitutes for AW-427: K5043637, J513, 64C1-4 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AW-427?
AW-427 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-282-8479. This indicates validated use in U.S. government and defense supply chains.
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