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21241-1004-1 — KEEPER,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21241-1004-1: KEEPER,VALVE.

The KEEPER,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, surface_treatment: ANODIZE, end_item_identification: RESTRICTOR VALVE MODEL 21243-001; SEAWOLF CLASS SSN, general_characteristics_item_description: MATERIAL PER ASTM B150. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-415-2596, 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
21241-1004-1
NSN: 4820-01-415-2596
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
surface_treatmentANODIZE
end_item_identificationRESTRICTOR VALVE MODEL 21243-001; SEAWOLF CLASS SSN
general_characteristics_item_descriptionMATERIAL PER ASTM B150
NSN4820-01-415-2596
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21241-1004-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL PER ASTM B150
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL PER ASTM B150
SURFACE TREATMENTANODIZE
END ITEM IDENTIFICATIONRESTRICTOR VALVE MODEL 21243-001; SEAWOLF CLASS SSN
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
21243-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
21243Reference 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 21241-1004-1?
21241-1004-1 is a KEEPER,VALVE.
What parts can replace 21241-1004-1?
There are 2 known substitutes for 21241-1004-1: 21243-9, 21243. Substitute compatibility should be verified for your specific system.
What is the NSN for 21241-1004-1?
21241-1004-1 is cataloged in the U.S. Government catalog under NSN 4820-01-415-2596. 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.