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A31A402 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A31A402: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. This part is cataloged in the U.S. Government catalog under NSN 4820-01-187-9888, 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
A31A402
NSN: 4820-01-187-9888
FSC: 4820 — Valves, Nonpowered
CAGE: 22508 — FISHER CONTROLS CO INC (USA)
SPECIFICATIONS
Part NumberA31A402
NSN4820-01-187-9888
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A31A402 · 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
SUBSTITUTES & CROSS-REFERENCES 4
03-1312-2111-1-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
03-13122-01-1-11-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
03-1144-03-01-01Reference document
Same NSN cross-reference
Reference document — Secondary reference
3203511Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 A31A402?
A31A402 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace A31A402?
There are 4 known substitutes for A31A402: 03-1312-2111-1-1, 03-13122-01-1-11-1, 03-1144-03-01-01 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A31A402?
A31A402 is cataloged in the U.S. Government catalog under NSN 4820-01-187-9888. This indicates validated use in U.S. government and defense supply chains.
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