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Technical Data Sheet
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1287812 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1287812: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include body_thickness: 10.0 MILLIMETERS NOMINAL MM, peripheral_shape_style: DIAMOND, ROUNDED CORNERS, TWO HOLES, end_item_identification: SCRAPER,TRACTOR, cross-sectional_shape_style: FLAT, distance_between_holes_along_length: 160.9 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: PLATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-609-1704, 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
1287812
NSN: 5340-01-609-1704
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
body_thickness10.0 MILLIMETERS NOMINAL MM
peripheral_shape_styleDIAMOND, ROUNDED CORNERS, TWO HOLES
end_item_identificationSCRAPER,TRACTOR
cross-sectional_shape_styleFLAT
distance_between_holes_along_length160.9 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyPLATE
NSN5340-01-609-1704
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1287812 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
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 160.9 MILLIMETERS NOMINAL MM
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
PERIPHERAL SHAPE STYLE: DIAMOND, ROUNDED CORNERS, TWO HOLES
•
BODY THICKNESS: 10.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
DISTANCE BETWEEN HOLES ALONG LENGTH160.9 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLEFLAT
PERIPHERAL SHAPE STYLEDIAMOND, ROUNDED CORNERS, TWO HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE
END ITEM IDENTIFICATIONSCRAPER,TRACTOR
BODY THICKNESS10.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1287812?
1287812 is a COVER,ACCESS.
What is the NSN for 1287812?
1287812 is cataloged in the U.S. Government catalog under NSN 5340-01-609-1704. 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.