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A026J486 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A026J486: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, overall_width: 110.6 MILLIMETERS MINIMUM AND 111.4 MILLIMETERS MAXIMUM MM, aperture_width: 78.6 MILLIMETERS MINIMUM AND 79.4 MILLIMETERS MAXIMUM MM, overall_height: 0.125 INCHES NOMINAL IN, overall_length: 117.6 MILLIMETERS MINIMUM AND 118.4 MILLIMETERS MAXIMUM MM, aperture_length: 85.6 MILLIMETERS MINIMUM AND 86.4 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-597-1377, 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
A026J486
NSN: 5330-01-597-1377
FSC: 5330 — Packing and Gasket Materials
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialRUBBER OVERALL
overall_width110.6 MILLIMETERS MINIMUM AND 111.4 MILLIMETERS MAXIMUM MM
aperture_width78.6 MILLIMETERS MINIMUM AND 79.4 MILLIMETERS MAXIMUM MM
overall_height0.125 INCHES NOMINAL IN
overall_length117.6 MILLIMETERS MINIMUM AND 118.4 MILLIMETERS MAXIMUM MM
aperture_length85.6 MILLIMETERS MINIMUM AND 86.4 MILLIMETERS MAXIMUM MM
style_designatorNON-CIRCULAR
bolt_hole_quantity14
end_item_identification6115-01-561-7718 GENERATOR SET, DIESEL ENGINE
cross-sectional_thickness0.125 INCHES NOMINAL IN
largest_bolt_hole_diameter8.9 MILLIMETERS MINIMUM AND 9.2 MILLIMETERS MAXIMUM MM
largest_bolt_hole_quantity8
NSN5330-01-597-1377
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A026J486 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
•
SMALLEST BOLT HOLE QUANTITY: 6
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH: 15.6 MILLIMETERS MINIMUM AND 16.4 MILLIMETERS MAXIMUM MM
•
LARGEST BOLT HOLE QUANTITY: 8
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855, CLASS 1, BUNA-N MATERIAL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.125 INCHES NOMINAL IN
SMALLEST BOLT HOLE QUANTITY6
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH15.6 MILLIMETERS MINIMUM AND 16.4 MILLIMETERS MAXIMUM MM
LARGEST BOLT HOLE QUANTITY8
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855, CLASS 1, BUNA-N MATERIAL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH117.6 MILLIMETERS MINIMUM AND 118.4 MILLIMETERS MAXIMUM MM
SMALLEST BOLT HOLE DIAMETER5.5 MILLIMETERS MINIMUM AND 5.8 MILLIMETERS MAXIMUM MM
OVERALL WIDTH110.6 MILLIMETERS MINIMUM AND 111.4 MILLIMETERS MAXIMUM MM
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A026J486?
A026J486 is a GASKET.
What is the NSN for A026J486?
A026J486 is cataloged in the U.S. Government catalog under NSN 5330-01-597-1377. 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.