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12578422 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12578422: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, usage_design: VEHICULAR, body_thickness: 0.250 INCHES NOMINAL IN, outside_diameter: 7.380 INCHES NOMINAL IN, bolt_circle_diameter: 6.500 INCHES NOMINAL IN, mounting_hole_diameter: UNABLE TO DECODE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-643-5820, 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
12578422
NSN: 5340-01-643-5820
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
usage_designVEHICULAR
body_thickness0.250 INCHES NOMINAL IN
outside_diameter7.380 INCHES NOMINAL IN
bolt_circle_diameter6.500 INCHES NOMINAL IN
mounting_hole_diameterUNABLE TO DECODE
peripheral_shape_styleROUND, MULTI HOLES
end_item_identification2350-01-577-0830
part_name_assigned_by_controlling_agencyCOVER,ACCESS,INNER
NSN5340-01-643-5820
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12578422 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
•
USAGE DESIGN: VEHICULAR
•
MOUNTING HOLE DIAMETER: UNABLE TO DECODE
•
OUTSIDE DIAMETER: 7.380 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 6.500 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
USAGE DESIGNVEHICULAR
MOUNTING HOLE DIAMETERUNABLE TO DECODE
OUTSIDE DIAMETER7.380 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER6.500 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER,ACCESS,INNER
END ITEM IDENTIFICATION2350-01-577-0830
MATERIALALUMINUM ALLOY
BODY THICKNESS0.250 INCHES NOMINAL IN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12578422?
12578422 is a COVER,ACCESS.
What is the NSN for 12578422?
12578422 is cataloged in the U.S. Government catalog under NSN 5340-01-643-5820. This indicates validated use in U.S. government and defense supply chains.
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