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8533-505-031-A — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8533-505-031-A: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, overall_height: 0.845 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 30.000 NOMINAL, body_inside_diameter: 3.000 INCHES NOMINAL IN, body_outside_diameter: 3.657 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-520-9077, 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
8533-505-031-A
NSN: 4820-01-520-9077
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL SEAT
overall_height0.845 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg30.000 NOMINAL
body_inside_diameter3.000 INCHES NOMINAL IN
body_outside_diameter3.657 INCHES NOMINAL IN
seating_surface_shapeANGULAR
end_item_identificationGATE VALVE, 3IN OR 3 1/2IN IN
NSN4820-01-520-9077
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8533-505-031-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
83309-36 4IN PART 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8530-703Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
83309-36Reference 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8533-505-031-A?
8533-505-031-A is a DISK,VALVE.
What parts can replace 8533-505-031-A?
There are 3 known substitutes for 8533-505-031-A: 83309-36 4IN PART 5, 8530-703, 83309-36. Substitute compatibility should be verified for your specific system.
What is the NSN for 8533-505-031-A?
8533-505-031-A is cataloged in the U.S. Government catalog under NSN 4820-01-520-9077. This indicates validated use in U.S. government and defense supply chains.
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