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Technical Data Sheet
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277786N — VALVE,CONTROL,AUTOMATIC SPRINKLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

277786N: 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
277786N
NSN: 4820-01-186-8705
FSC: 4820 — Valves, Nonpowered
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
Part Number277786N
NSN4820-01-186-8705
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 277786N · 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 2
277786Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 277786N?
277786N is a VALVE,CONTROL,AUTOMATIC SPRINKLE.
What parts can replace 277786N?
There are 2 known substitutes for 277786N: 277786, 4J8500. Substitute compatibility should be verified for your specific system.
What is the NSN for 277786N?
277786N 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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