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21338-1002-1 — 21338-1002-1

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21338-1002-1: 21338-1002-1.

The 21338-1002-1 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-456-3036, 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
21338-1002-1
NSN: 4820-01-456-3036
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
Part Number21338-1002-1
NSN4820-01-456-3036
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21338-1002-1 · 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
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.372 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
MATERIAL: STEEL COMP 416
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
OVERALL LENGTH4.855 INCHES NOMINAL IN
INSIDE DIAMETER0.372 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
VALVE DESIGN CONTROL ACTIVITY78062
END ITEM IDENTIFICATIONVALVE; WEAPON CODE JG, SEAWOLF CLASS CVN
MATERIALSTEEL COMP 416
SUBSTITUTES & CROSS-REFERENCES 2
21338-1002Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
21338 FIND 13Reference 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 21338-1002-1?
21338-1002-1 is a 21338-1002-1.
What parts can replace 21338-1002-1?
There are 2 known substitutes for 21338-1002-1: 21338-1002, 21338 FIND 13. Substitute compatibility should be verified for your specific system.
What is the NSN for 21338-1002-1?
21338-1002-1 is cataloged in the U.S. Government catalog under NSN 4820-01-456-3036. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.