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WM-774-A — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

WM-774-A: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include aircraft_mission_design_series: KC-135. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-333-1913, 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
WM-774-A
NSN: 4820-01-333-1913
FSC: 4820 — Valves, Nonpowered
CAGE: 11331 — WILLIAMS CONTROLS INC (USA)
SPECIFICATIONS
aircraft_mission_design_seriesKC-135
NSN4820-01-333-1913
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: WM-774-A · 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 3
7-926-003833Reference document
Same NSN cross-reference
Reference document — Secondary reference
3029251Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7-926-000791Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 WM-774-A?
WM-774-A is a VALVE,CHECK.
What parts can replace WM-774-A?
There are 3 known substitutes for WM-774-A: 7-926-003833, 3029251, 7-926-000791. Substitute compatibility should be verified for your specific system.
What is the NSN for WM-774-A?
WM-774-A is cataloged in the U.S. Government catalog under NSN 4820-01-333-1913. This indicates validated use in U.S. government and defense supply chains.
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