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51T-3SS ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL CORROSION RESISTING, special_features: NEXT HIGHER ASSEMBLY 627218-1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-448-9764, 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
51T-3SS
NSN: 4730-01-448-9764
FSC: 4730
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_featuresNEXT HIGHER ASSEMBLY 627218-1
NSN4730-01-448-9764
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 51T-3SS · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESNEXT HIGHER ASSEMBLY 627218-1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
62-718Interchangeable
interchangeable cross-reference
interchangeable
D3655 2 1/2IN.Interchangeable
interchangeable cross-reference
interchangeable
100PM-4B 2-1/2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51T-3SS?
51T-3SS is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 51T-3SS?
There are 3 known substitutes for 51T-3SS: 62-718, D3655 2 1/2IN., 100PM-4B 2-1/2IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 51T-3SS?
51T-3SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-448-9764. 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