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B831-9512 — ACTUATOR,MECHANICAL,NONAIRCRAFT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B831-9512: ACTUATOR,MECHANICAL,NONAIRCRAFT.

ACTUATOR,MECHANICAL,NONAIRCRAFT. Key specifications include body_width: 9.500 INCHES NOMINAL IN, drive_type: DIRECT, body_height: 8.700 INCHES NOMINAL IN, body_length: 17.000 INCHES NOMINAL IN, angle_in_deg: 90.0, body_material: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-502-6277, 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
B831-9512
NSN: 4820-01-502-6277
NIINs: 015026277, 015042147, 015042171, 015042173, 015042175, 015042177
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
body_width9.500 INCHES NOMINAL IN
drive_typeDIRECT
body_height8.700 INCHES NOMINAL IN
body_length17.000 INCHES NOMINAL IN
angle_in_deg90.0
body_materialCOPPER ALLOY
overall_height9.500 INCHES NOMINAL IN
drive_shaft_typeKEYED
special_featuresTHIS PART HAS TWO GEARBOX'S-- 90 DEG.
mounting_facilityUNTHREADED MOUNTING HOLES
end_item_identificationREGULATOR, FL
part_name_assigned_by_controlling_agencyLOCK ASSY, BRIDGING TRACK, CARGO BAY 3RD PLTF
NSN4820-01-502-6277
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B831-9512 · 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
596-7410248Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is B831-9512?
B831-9512 is a ACTUATOR,MECHANICAL,NONAIRCRAFT.
What parts can replace B831-9512?
There is 1 known substitute for B831-9512: 596-7410248. Substitute compatibility should be verified for your specific system.
What is the NSN for B831-9512?
B831-9512 is cataloged in the U.S. Government catalog under NSN 4820-01-502-6277. This indicates validated use in U.S. government and defense supply chains.
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