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277786 — VALVE,CONTROL,AUTOMATIC SPRINKLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

277786: VALVE,CONTROL,AUTOMATIC SPRINKLE.

VALVE,CONTROL,AUTOMATIC SPRINKLE. This part is cataloged in the U.S. Government catalog under NSN 4820-01-186-8705, 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
277786
NSN: 4820-01-186-8705
FSC: 4820 — Valves, Nonpowered
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
Part Number277786
NSN4820-01-186-8705
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 277786 · 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
4J8500Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 277786?
277786 is a VALVE,CONTROL,AUTOMATIC SPRINKLE.
What parts can replace 277786?
There is 1 known substitute for 277786: 4J8500. Substitute compatibility should be verified for your specific system.
What is the NSN for 277786?
277786 is cataloged in the U.S. Government catalog under NSN 4820-01-186-8705. 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.