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8957-040-034-S — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8957-040-034-S: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 6.750 INCHES NOMINAL IN, style_designator: SPLIT WEDGE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-192-8510, 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
8957-040-034-S
NSN: 4820-01-192-8510
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL
seat_angle45.0 DEGREES NOMINAL
overall_height6.750 INCHES NOMINAL IN
style_designatorSPLIT WEDGE
NSN4820-01-192-8510
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8957-040-034-S · 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
•
STYLE DESIGNATOR: SPLIT WEDGE
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT6.750 INCHES NOMINAL IN
STYLE DESIGNATORSPLIT WEDGE
SEAT ANGLE45.0 DEGREES NOMINAL
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
8957-003-178Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
8872-8Reference 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 8957-040-034-S?
8957-040-034-S is a DISK,VALVE.
What parts can replace 8957-040-034-S?
There are 2 known substitutes for 8957-040-034-S: 8957-003-178, 8872-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 8957-040-034-S?
8957-040-034-S is cataloged in the U.S. Government catalog under NSN 4820-01-192-8510. 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.