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Technical Data Sheet
PartsTable / COMPONENT / FX1/2
FX1/2 ✓ 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 FX1/2 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 4730-00-576-0280, 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
FX1/2
NSN: 4730-00-576-0280
FSC: 4730
CAGE: 16276 — KENCO PRODUCTS CO INC (USA)
SPECIFICATIONS
Part NumberFX1/2
NSN4730-00-576-0280
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: FX1/2 · 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: 0.500 INCHES SECOND END IN
•
SEAT TYPE: GASKET
•
MATERIAL: STEEL THREAD PIECE
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
SURFACE TREATMENT: ZINC THREAD PIECE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
CONNECTION STYLE: SOCKET (TUBE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
SEAT TYPEGASKET
MATERIALSTEEL THREAD PIECE
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
MATERIALCOPPER TAILPIECE
SURFACE TREATMENTZINC THREAD PIECE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.875 INCHES IN
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
FX3-4INInterchangeable
interchangeable cross-reference
interchangeable
FXInterchangeable
interchangeable cross-reference
interchangeable
8512470Interchangeable
interchangeable cross-reference
interchangeable
PA06021132Interchangeable
interchangeable cross-reference
interchangeable
00725665440175Interchangeable
interchangeable cross-reference
interchangeable
42369Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FX1/2?
FX1/2 is a FX1/2.
What parts can replace FX1/2?
There are 17 known substitutes for FX1/2: FX3-4IN, FX, 8512470 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FX1/2?
FX1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-576-0280. 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