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12917555 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12917555: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, body_thickness: 11.600 INCHES NOMINAL IN, outside_diameter: 21.500 INCHES NOMINAL IN, bolt_circle_diameter: 0.578 INCHES NOMINAL IN, securing_device_type: SPECIAL, peripheral_shape_style: ROUND, MULTI HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-359-5706, 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
12917555
NSN: 5340-01-359-5706
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL
body_thickness11.600 INCHES NOMINAL IN
outside_diameter21.500 INCHES NOMINAL IN
bolt_circle_diameter0.578 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
end_item_identification105MM M1/M1IP TANK MM
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT
material_document_and_classificationMIL-A-12560,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-359-5706
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12917555 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
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-12560,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 21.500 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: SPECIAL
•
BOLT CIRCLE DIAMETER: 0.578 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY8
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-12560,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER21.500 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
BOLT CIRCLE DIAMETER0.578 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
END ITEM IDENTIFICATION105MM M1/M1IP TANK MM
MATERIALSTEEL
BODY THICKNESS11.600 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: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 12917555?
12917555 is a COVER,ACCESS.
What is the NSN for 12917555?
12917555 is cataloged in the U.S. Government catalog under NSN 5340-01-359-5706. This indicates validated use in U.S. government and defense supply chains.
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