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8668680 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8668680: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, hole_diameter: 0.406 INCHES NOMINAL IN, features_provided: SEALING CAPABILITY, securing_device_type: HINGE, mounting_opening_shape_style: UNTHREADED HOLE, material_document_and_classification: QQ-S-636 FED SPEC ALL MATERIAL RESPONSES. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-998-4736, 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
8668680
NSN: 5340-00-998-4736
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
hole_diameter0.406 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
securing_device_typeHINGE
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-S-636 FED SPEC ALL MATERIAL RESPONSES
NSN5340-00-998-4736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8668680 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-636 FED SPEC ALL MATERIAL RESPONSES
•
FEATURES PROVIDED: SEALING CAPABILITY
•
SECURING DEVICE TYPE: HINGE
•
MATERIAL: STEEL
•
HOLE DIAMETER: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-636 FED SPEC ALL MATERIAL RESPONSES
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPEHINGE
MATERIALSTEEL
HOLE DIAMETER0.406 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 1
2510009984736Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8668680?
8668680 is a COVER,ACCESS.
What parts can replace 8668680?
There is 1 known substitute for 8668680: 2510009984736. Substitute compatibility should be verified for your specific system.
What is the NSN for 8668680?
8668680 is cataloged in the U.S. Government catalog under NSN 5340-00-998-4736. This indicates validated use in U.S. government and defense supply chains.
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