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5001-51 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include diameter: 1.125 INCHES NOMINAL IN, end_type: INTERNAL THREAD SECOND END, material: STEEL, thickness: 0.180 INCHES NOMINAL IN, case_style: SQUARE, seal_width: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-254-6462, 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
5001-51
NSN: 4730-00-254-6462
FSC: 4730
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
diameter1.125 INCHES NOMINAL IN
end_typeINTERNAL THREAD SECOND END
materialSTEEL
thickness0.180 INCHES NOMINAL IN
case_styleSQUARE
seal_width0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
body_length1.281 INCHES NOMINAL IN
bore_diameter0.1248 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
overall_length51.000 INCHES NOMINAL IN
shell_materialSTEEL
insert_materialCERAMIC SINGLE MATING END
outside_diameter0.312 INCHES NOMINAL IN
NSN4730-00-254-6462
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5001-51 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
12531Interchangeable
interchangeable cross-reference
interchangeable
292720R91Interchangeable
interchangeable cross-reference
interchangeable
RT7330Interchangeable
interchangeable cross-reference
interchangeable
10034211Interchangeable
interchangeable cross-reference
interchangeable
419244-1Interchangeable
interchangeable cross-reference
interchangeable
C1-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5001-51?
5001-51 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 5001-51?
There are 15 known substitutes for 5001-51: 12531, 292720R91, RT7330 and 12 more. Substitute compatibility should be verified for your specific system.
Is 5001-51 still available?
5001-51 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026