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20918-1050 — RETAINER,SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20918-1050: RETAINER,SEAT,VALVE.

The RETAINER,SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, valve_model_number_for_which_designed: 20918-400. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-212-6858, 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
20918-1050
NSN: 4820-01-212-6858
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
valve_model_number_for_which_designed20918-400
NSN4820-01-212-6858
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20918-1050 · 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
KEY FEATURES
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 20918-400
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNED20918-400
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
20918-400 FIND 7Reference document
Same NSN cross-reference
Reference document — Secondary reference
20918-400Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
20918-1010Reference 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 20918-1050?
20918-1050 is a RETAINER,SEAT,VALVE.
What parts can replace 20918-1050?
There are 3 known substitutes for 20918-1050: 20918-400 FIND 7, 20918-400, 20918-1010. Substitute compatibility should be verified for your specific system.
What is the NSN for 20918-1050?
20918-1050 is cataloged in the U.S. Government catalog under NSN 4820-01-212-6858. 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.