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M285B-1473A-12IN — ARRESTER,ELECTRICAL SURGE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M285B-1473A-12IN: ARRESTER,ELECTRICAL SURGE.

The ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 630 SEAT, valve_operation_method: ELECTRIC MOTOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-367-4776, 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
M285B-1473A-12IN
NSN: 4820-01-367-4776
FSC: 4820 — Valves, Nonpowered
CAGE: 1NB39 — DOVER RESOURCES, INC. DIV NORRISEAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY 630 SEAT
valve_operation_methodELECTRIC MOTOR
NSN4820-01-367-4776
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M285B-1473A-12IN · 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
KEY FEATURES
•
MATERIAL: IRON ALLOY BODY
•
VALVE OPERATION METHOD: ELECTRIC MOTOR
TECHNICAL CHARACTERISTICS
MATERIALIRON ALLOY BODY
MATERIALCOPPER ALLOY 630 FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALCOPPER ALLOY 630 SEAT
VALVE OPERATION METHODELECTRIC MOTOR
SUBSTITUTES & CROSS-REFERENCES 1
920-230Reference 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 M285B-1473A-12IN?
M285B-1473A-12IN is a ARRESTER,ELECTRICAL SURGE.
What parts can replace M285B-1473A-12IN?
There is 1 known substitute for M285B-1473A-12IN: 920-230. Substitute compatibility should be verified for your specific system.
What is the NSN for M285B-1473A-12IN?
M285B-1473A-12IN is cataloged in the U.S. Government catalog under NSN 4820-01-367-4776. 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.