PartsTable
Technical Data Sheet
Download PDF

21241-1000-1 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21241-1000-1: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, end_item_identification: SEAWOLF CLASS SSN, valve_type_for_which_designed: REGULATOR, valve_model_number_for_which_designed: 21243-001. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-415-2593, 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
21241-1000-1
NSN: 4820-01-415-2593
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
end_item_identificationSEAWOLF CLASS SSN
valve_type_for_which_designedREGULATOR
valve_model_number_for_which_designed21243-001
NSN4820-01-415-2593
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21241-1000-1 · 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
•
VALVE TYPE FOR WHICH DESIGNED: REGULATOR
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 21243-001
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDREGULATOR
VALVE MODEL NUMBER FOR WHICH DESIGNED21243-001
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
21243Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
21243-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 21241-1000-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 21241-1000-1?
21241-1000-1 is a STEM,FLUID VALVE.
What parts can replace 21241-1000-1?
There are 2 known substitutes for 21241-1000-1: 21243, 21243-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 21241-1000-1?
21241-1000-1 is cataloged in the U.S. Government catalog under NSN 4820-01-415-2593. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21241-1000-1

✓ 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.