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Technical Data Sheet
PartsTable / COMPONENT / PWA51409/7
PWA51409/7 ✓ 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 PWA51409/7 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 4730-01-106-0316, 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
PWA51409/7
NSN: 4730-01-106-0316
FSC: 4730
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
Part NumberPWA51409/7
NSN4730-01-106-0316
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: PWA51409/7 · 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
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
MATERIAL: STEEL COMP 4140 OVERALL
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
REDUCER TYPE: CONCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALSTEEL COMP 4140 OVERALL
THREAD SERIES DESIGNATORNPT ALL ENDS
REDUCER TYPECONCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
13831Interchangeable
interchangeable cross-reference
interchangeable
920011-5Interchangeable
interchangeable cross-reference
interchangeable
70255Interchangeable
interchangeable cross-reference
interchangeable
SM-C-502640-1Interchangeable
interchangeable cross-reference
interchangeable
C-6193B ITEM 37Interchangeable
interchangeable cross-reference
interchangeable
73163220P005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PWA51409/7?
PWA51409/7 is a PWA51409/7.
What parts can replace PWA51409/7?
There are 9 known substitutes for PWA51409/7: 13831, 920011-5, 70255 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PWA51409/7?
PWA51409/7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-106-0316. 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