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12257544 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12257544: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, special_features: ITEM CONTAINS (2)RETAINER P/N 12257636-1;(2)BRACKET P/N 10905498;CHUTE P/N 11673735;COVER P/N 12257543, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, NO HOLES, end_item_identification: M60A1 WITH AOS,M60A1R W/O P,M60A1R W/P,CEV M728,M60A3,M60A3TTS, cross-sectional_shape_style: SQUARE OR RECTANGULAR RECESS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-063-0478, 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
12257544
NSN: 5340-01-063-0478
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
special_featuresITEM CONTAINS (2)RETAINER P/N 12257636-1;(2)BRACKET P/N 10905498;CHUTE P/N 11673735;COVER P/N 12257543
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, NO HOLES
end_item_identificationM60A1 WITH AOS,M60A1R W/O P,M60A1R W/P,CEV M728,M60A3,M60A3TTS
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
NSN5340-01-063-0478
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12257544 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 SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
SECURING DEVICE TYPESPECIAL
SPECIAL FEATURESITEM CONTAINS (2)RETAINER P/N 12257636-1;(2)BRACKET P/N 10905498;CHUTE P/N 11673735;COVER P/N 12257543
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
END ITEM IDENTIFICATIONM60A1 WITH AOS,M60A1R W/O P,M60A1R W/P,CEV M728,M60A3,M60A3TTS
MATERIALALUMINUM ALLOY
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: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 12257544?
12257544 is a COVER,ACCESS.
What is the NSN for 12257544?
12257544 is cataloged in the U.S. Government catalog under NSN 5340-01-063-0478. This indicates validated use in U.S. government and defense supply chains.
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