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T-51 PIECE 7 — Technical Data Sheet

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— · 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 SLEEVE,CLINCH,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL, hose/tube_outside_diameter_for_which_designed: 1.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-01-224-6339, 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
T-51 PIECE 7
NSN: 4730-01-224-6339
FSC: 4730
CAGE: 74965 — CLARK-RELIANCE LLC DBA JERGUSON GAGE & VALVE (USA)
SPECIFICATIONS
materialSTEEL
hose/tube_outside_diameter_for_which_designed1.125 INCHES NOMINAL IN
NSN4730-01-224-6339
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: T-51 PIECE 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
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.125 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.125 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
335560G1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
J91InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
100-324-599InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P101AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NAP584 PIECE 28InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P101A-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T-51 PIECE 7?
T-51 PIECE 7 is a SLEEVE,CLINCH,TUBE FITTING.
What parts can replace T-51 PIECE 7?
There are 8 known substitutes for T-51 PIECE 7: 335560G1, J91, 100-324-599 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T-51 PIECE 7?
T-51 PIECE 7 is cataloged in the Federal Logistics Information System under NSN 4730-01-224-6339. 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: October 2026