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Technical Data Sheet
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A3155677 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A3155677: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-393-2156, 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
A3155677
NSN: 4820-01-393-2156
FSC: 4820 — Valves, Nonpowered
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
Part NumberA3155677
NSN4820-01-393-2156
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A3155677 · 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 1
CPOM2DDReference 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 A3155677?
A3155677 is a VALVE,CHECK.
What parts can replace A3155677?
There is 1 known substitute for A3155677: CPOM2DD. Substitute compatibility should be verified for your specific system.
What is the NSN for A3155677?
A3155677 is cataloged in the U.S. Government catalog under NSN 4820-01-393-2156. This indicates validated use in U.S. government and defense supply chains.
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