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91630840 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

91630840: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, seat_angle: 12.0 DEGREES NOMINAL, overall_height: 0.785 INCHES NOMINAL IN, shank_diameter: 0.202 INCHES NOMINAL IN, flange_diameter: 0.300 INCHES NOMINAL IN, style_designator: CONE CHECK. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-436-7610, 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
91630840
NSN: 4810-00-436-7610
FSC: 4810 — Valves, Powered
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
materialSTEEL
seat_angle12.0 DEGREES NOMINAL
overall_height0.785 INCHES NOMINAL IN
shank_diameter0.202 INCHES NOMINAL IN
flange_diameter0.300 INCHES NOMINAL IN
style_designatorCONE CHECK
under_flange_height0.470 INCHES NOMINAL IN
flange_seat_to_disk_end_height0.315 INCHES NOMINAL IN
NSN4810-00-436-7610
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 91630840 · 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
•
SHANK DIAMETER: 0.202 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.315 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.300 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONE CHECK
•
SEAT ANGLE: 12.0 DEGREES NOMINAL
•
UNDER FLANGE HEIGHT: 0.470 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.202 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.315 INCHES NOMINAL IN
FLANGE DIAMETER0.300 INCHES NOMINAL IN
OVERALL HEIGHT0.785 INCHES NOMINAL IN
STYLE DESIGNATORCONE CHECK
SEAT ANGLE12.0 DEGREES NOMINAL
UNDER FLANGE HEIGHT0.470 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
8813-290057Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
290057Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91630840?
91630840 is a DISK,VALVE.
What parts can replace 91630840?
There are 2 known substitutes for 91630840: 8813-290057, 290057. Substitute compatibility should be verified for your specific system.
What is the NSN for 91630840?
91630840 is cataloged in the U.S. Government catalog under NSN 4810-00-436-7610. 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.