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Technical Data Sheet
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N20954N — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N20954N: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-176-6733, 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
N20954N
NSN: 4820-01-176-6733
FSC: 4820 — Valves, Nonpowered
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
Part NumberN20954N
NSN4820-01-176-6733
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N20954N · 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 3
XN20954NReference document
Same NSN cross-reference
Reference document — Secondary reference
N20966EReference document
Same NSN cross-reference
Reference document — Secondary reference
N20966ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N20954N?
N20954N is a VALVE,CHECK.
What parts can replace N20954N?
There are 3 known substitutes for N20954N: XN20954N, N20966E, N20966A. Substitute compatibility should be verified for your specific system.
What is the NSN for N20954N?
N20954N is cataloged in the U.S. Government catalog under NSN 4820-01-176-6733. This indicates validated use in U.S. government and defense supply chains.
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