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12257712 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12257712: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.000 INCHES NOMINAL IN, length: 28.620 INCHES NOMINAL IN, material: STEEL, body_thickness: 0.500 INCHES NOMINAL IN, securing_device_type: SPECIAL, peripheral_shape_style: BAND TYPE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-122-9884, 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
12257712
NSN: 5340-01-122-9884
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width4.000 INCHES NOMINAL IN
length28.620 INCHES NOMINAL IN
materialSTEEL
body_thickness0.500 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleBAND TYPE
end_item_identificationM60 TANK
cross-sectional_shape_styleFLAT
NSN5340-01-122-9884
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12257712 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
•
LENGTH: 28.620 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: BAND TYPE
•
WIDTH: 4.000 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
BODY THICKNESS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH28.620 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
PERIPHERAL SHAPE STYLEBAND TYPE
WIDTH4.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONM60 TANK
MATERIALSTEEL
BODY THICKNESS0.500 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12257712?
12257712 is a COVER,ACCESS.
What is the NSN for 12257712?
12257712 is cataloged in the U.S. Government catalog under NSN 5340-01-122-9884. This indicates validated use in U.S. government and defense supply chains.
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