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Technical Data Sheet
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51A138B94 — POPPET

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

51A138B94: POPPET.

The POPPET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-00-031-4039, 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
51A138B94
NSN: 4820-00-031-4039
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number51A138B94
NSN4820-00-031-4039
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 51A138B94 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
911-022Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51A138B94?
51A138B94 is a POPPET.
What parts can replace 51A138B94?
There is 1 known substitute for 51A138B94: 911-022. Substitute compatibility should be verified for your specific system.
What is the NSN for 51A138B94?
51A138B94 is cataloged in the U.S. Government catalog under NSN 4820-00-031-4039. This indicates validated use in U.S. government and defense supply chains.
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