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BK-6831-XTM — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BK-6831-XTM: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 5.062 INCHES NOMINAL IN, aperture_diameter: 1.812 INCHES NOMINAL IN, bolt_circle_diameter: 3.812 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-987-6352, 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
BK-6831-XTM
NSN: 5330-00-987-6352
FSC: 5330 — Packing and Gasket Materials
CAGE: 42280 — GARDNER DENVER NASH LLC DBA GARDNER DENVER ENGINEERED PRODUCTS GROUP DIV GARDNER DENVER NASH (USA)
SPECIFICATIONS
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter5.062 INCHES NOMINAL IN
aperture_diameter1.812 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter3.812 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
NSN5330-00-987-6352
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BK-6831-XTM MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 5.062 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.812 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 3.812 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
OUTSIDE DIAMETER5.062 INCHES NOMINAL IN
APERTURE DIAMETER1.812 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER3.812 INCHES NOMINAL IN
HOLE DIAMETER0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 2
K6831Reference document
Same NSN cross-reference
Reference document — Secondary reference
K6831XTMReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 BK-6831-XTM?
BK-6831-XTM is a GASKET.
What parts can replace BK-6831-XTM?
There are 2 known substitutes for BK-6831-XTM: K6831, K6831XTM. Substitute compatibility should be verified for your specific system.
What is the NSN for BK-6831-XTM?
BK-6831-XTM is cataloged in the U.S. Government catalog under NSN 5330-00-987-6352. 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.