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8512331 — 8512331

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

8512331: 8512331.

The 8512331 is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, hole_diameter: 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 34.000 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 31.219 INCHES MINIMUM AND 31.281 INCHES MAXIMUM IN, bolt_hole_quantity: 12. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-535-7380, 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
MRO→ MRO_GENERAL→ 8512331
NSN: 5330-00-535-7380
NIINs: 005357380, 016670193
FSC: 5330 — Packing and Gasket Materials
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialRUBBER OVERALL
hole_diameter0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter34.000 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter31.219 INCHES MINIMUM AND 31.281 INCHES MAXIMUM IN
bolt_hole_quantity12
bolt_circle_diameter32.594 INCHES MINIMUM AND 32.656 INCHES MAXIMUM IN
cross-sectional_thickness0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-STD-670 GR RN-41-BCFK MIL STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-535-7380
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8512331 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: 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-670 GR RN-41-BCFK MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 34.000 INCHES NOMINAL IN
•
APERTURE DIAMETER: 31.219 INCHES MINIMUM AND 31.281 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 12
•
BOLT CIRCLE DIAMETER: 32.594 INCHES MINIMUM AND 32.656 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-670 GR RN-41-BCFK MIL STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER34.000 INCHES NOMINAL IN
APERTURE DIAMETER31.219 INCHES MINIMUM AND 31.281 INCHES MAXIMUM IN
BOLT HOLE QUANTITY12
BOLT CIRCLE DIAMETER32.594 INCHES MINIMUM AND 32.656 INCHES MAXIMUM IN
MATERIALRUBBER OVERALL
HOLE DIAMETER0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8512331?
8512331 is a 8512331. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 8512331?
8512331 is cataloged in the U.S. Government catalog under NSN 5330-00-535-7380. 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.