PartsTable
Technical Data Sheet
Download PDF

21129-001 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21129-001: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM, valve_operation_method: MANUAL, end_item_identification: NAVY WEAPONS SYSTEM CODE,JG,SEAWOLF CLASS SSN, valve_discharge_flow_rate: 12.0 GALLONS PER MINUTE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-418-7600, 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
21129-001
NSN: 4820-01-418-7600
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialALUMINUM
valve_operation_methodMANUAL
end_item_identificationNAVY WEAPONS SYSTEM CODE,JG,SEAWOLF CLASS SSN
valve_discharge_flow_rate12.0 GALLONS PER MINUTE
NSN4820-01-418-7600
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21129-001 · 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
•
BODY MATERIAL: ALUMINUM
•
VALVE DISCHARGE FLOW RATE: 12.0 GALLONS PER MINUTE
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
BODY MATERIALALUMINUM
END ITEM IDENTIFICATIONNAVY WEAPONS SYSTEM CODE,JG,SEAWOLF CLASS SSN
VALVE DISCHARGE FLOW RATE12.0 GALLONS PER MINUTE
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 1
21129Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 21129-001?
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 21129-001?
21129-001 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21129-001?
There is 1 known substitute for 21129-001: 21129. Substitute compatibility should be verified for your specific system.
What is the NSN for 21129-001?
21129-001 is cataloged in the U.S. Government catalog under NSN 4820-01-418-7600. 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 — 21129-001

✓ 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.