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12310435 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12310435: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.560 INCHES NOMINAL IN, length: 3.400 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, body_thickness: 0.093 INCHES NOMINAL IN, securing_device_type: SPRING CLIP, cross-sectional_shape_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-140-8116, 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
12310435
NSN: 5340-01-140-8116
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width2.560 INCHES NOMINAL IN
length3.400 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
body_thickness0.093 INCHES NOMINAL IN
securing_device_typeSPRING CLIP
cross-sectional_shape_styleFLAT
material_document_and_classificationQQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
distance_between_hole_centerline_and_first_hole_along_width1.250 INCHES NOMINAL IN
NSN5340-01-140-8116
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12310435 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: 3.400 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPRING CLIP
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH: 1.250 INCHES NOMINAL IN
•
WIDTH: 2.560 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 6061
•
BODY THICKNESS: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH3.400 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPRING CLIP
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH1.250 INCHES NOMINAL IN
WIDTH2.560 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
BODY THICKNESS0.093 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12310435?
12310435 is a COVER,ACCESS.
What is the NSN for 12310435?
12310435 is cataloged in the U.S. Government catalog under NSN 5340-01-140-8116. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.