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Technical Data Sheet
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N20966A — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N20966A: 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
N20966A
NSN: 4820-01-176-6733
NIINs: 011766733, 016452144
FSC: 4820 — Valves, Nonpowered
CAGE: 06721 — HALDEX BRAKE PRODUCTS CORPORATION (USA)
SPECIFICATIONS
Part NumberN20966A
NSN4820-01-176-6733
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N20966A · 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
N20954NReference document
Same NSN cross-reference
Reference document — Secondary reference
N20966EReference document
Same NSN cross-reference
Reference document — Secondary reference
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 N20966A?
N20966A is a VALVE,CHECK.
What parts can replace N20966A?
There are 3 known substitutes for N20966A: XN20954N, N20954N, N20966E. Substitute compatibility should be verified for your specific system.
What is the NSN for N20966A?
N20966A 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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