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12931311 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12931311: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 5.380 INCHES NOMINAL IN, length: 6.437 INCHES NOMINAL IN, material: STEEL, hole_diameter: 0.310 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN, flange_thickness: 0.0598 INCHES NOMINAL IN, surface_treatment: PAINT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-363-2705, 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
12931311
NSN: 5340-01-363-2705
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
width5.380 INCHES NOMINAL IN
length6.437 INCHES NOMINAL IN
materialSTEEL
hole_diameter0.310 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN
flange_thickness0.0598 INCHES NOMINAL IN
surface_treatmentPAINT
securing_device_typeSPECIAL
end_item_identificationW/S:TANK, ABRAMS M-1; TANK, COMBAT, FT, 120MM GUN (M1A1) MM
first_recess_inside_height2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A366 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-363-2705
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12931311 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: 6.437 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.0598 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A366 ASSN STD SINGLE MATERIAL RESPONSE
•
SECURING DEVICE TYPE: SPECIAL
•
SURFACE TREATMENT: PAINT
•
WIDTH: 5.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH6.437 INCHES NOMINAL IN
FLANGE THICKNESS0.0598 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT2.500 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A366 ASSN STD SINGLE MATERIAL RESPONSE
SECURING DEVICE TYPESPECIAL
SURFACE TREATMENTPAINT
WIDTH5.380 INCHES NOMINAL IN
END ITEM IDENTIFICATIONW/S:TANK, ABRAMS M-1; TANK, COMBAT, FT, 120MM GUN (M1A1) MM
MATERIALSTEEL
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 12931311?
12931311 is a COVER,ACCESS.
What is the NSN for 12931311?
12931311 is cataloged in the U.S. Government catalog under NSN 5340-01-363-2705. This indicates validated use in U.S. government and defense supply chains.
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