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K403021 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

K403021: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. This part is cataloged in the U.S. Government catalog under NSN 4820-00-919-8032, 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
K403021
NSN: 4820-00-919-8032
FSC: 4820 — Valves, Nonpowered
CAGE: 08080 — KEMP/REAL-TIME LABORATORIES (USA)
SPECIFICATIONS
special_features4 WAY,3 POSITION MANUALLY OPERATED; OPERATING PRESSURE 1500 PSI; BURST PRESSURE 3750 PSI; FLUID MIL-H-5606; PRESSURE DROP 90 PSI MAX WITH 2 GPM AT 70 DEG F TO 100 DEG F DEGF
NSN4820-00-919-8032
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: K403021 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES4 WAY,3 POSITION MANUALLY OPERATED; OPERATING PRESSURE 1500 PSI; BURST PRESSURE 3750 PSI; FLUID MIL-H-5606; PRESSURE DROP 90 PSI MAX WITH 2 GPM AT 70 DEG F TO 100 DEG F DEGF
SUBSTITUTES & CROSS-REFERENCES 1
0105-0021Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K403021?
K403021 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace K403021?
There is 1 known substitute for K403021: 0105-0021. Substitute compatibility should be verified for your specific system.
What is the NSN for K403021?
K403021 is cataloged in the U.S. Government catalog under NSN 4820-00-919-8032. 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.