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Technical Data Sheet
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937Z0051 — PLUG,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

937Z0051: PLUG,PIPE.

The PLUG,PIPE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4730-01-173-8366, 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
937Z0051
NSN: 4730-01-173-8366
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
Part Number937Z0051
NSN4730-01-173-8366
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 937Z0051 · 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
SUBSTITUTES & CROSS-REFERENCES 3
999D0594 PIECE 47Reference document
Same NSN cross-reference
Reference document — Secondary reference
937E0042Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
999D0594Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 937Z0051?
937Z0051 is a PLUG,PIPE.
What parts can replace 937Z0051?
There are 3 known substitutes for 937Z0051: 999D0594 PIECE 47, 937E0042, 999D0594. Substitute compatibility should be verified for your specific system.
What is the NSN for 937Z0051?
937Z0051 is cataloged in the U.S. Government catalog under NSN 4730-01-173-8366. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.