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8957-040-031S — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8957-040-031S: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, taper_length: 5.280 INCHES NOMINAL IN, taper_minor_diameter: 3.445 INCHES MINIMUM AND 3.495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-400-6055, 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
8957-040-031S
NSN: 4820-01-400-6055
NIINs: 014006055, 016263679
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL
taper_length5.280 INCHES NOMINAL IN
taper_minor_diameter3.445 INCHES MINIMUM AND 3.495 INCHES MAXIMUM IN
NSN4820-01-400-6055
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8957-040-031S · 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
•
TAPER MINOR DIAMETER: 3.445 INCHES MINIMUM AND 3.495 INCHES MAXIMUM IN
•
TAPER LENGTH: 5.280 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
TAPER MINOR DIAMETER3.445 INCHES MINIMUM AND 3.495 INCHES MAXIMUM IN
TAPER LENGTH5.280 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
8872-11Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
8872-11 ITEM 6DMODSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 8957-040-031S?
8957-040-031S is a DISK,VALVE.
What parts can replace 8957-040-031S?
There are 2 known substitutes for 8957-040-031S: 8872-11, 8872-11 ITEM 6DMOD. Substitute compatibility should be verified for your specific system.
What is the NSN for 8957-040-031S?
8957-040-031S is cataloged in the U.S. Government catalog under NSN 4820-01-400-6055. 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.