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12290433 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12290433: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 7.935 INCHES NOMINAL IN, length: 13.470 INCHES MINIMUM AND 13.530 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 356.0, ear_radius: 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, corner_radius: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, body_thickness: 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-100-4900, 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
12290433
NSN: 5340-01-100-4900
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width7.935 INCHES NOMINAL IN
length13.470 INCHES MINIMUM AND 13.530 INCHES MAXIMUM IN
materialALUMINUM ALLOY 356.0
ear_radius0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
corner_radius0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
body_thickness0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
inverted_radius0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
flange_thickness0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
special_featuresITEM HAS FOUR PLACES EXTENDING FROM THE BOTTOM WHICH ARE 0.500 IN. DEEP WHICH GIVES AN ACTUAL OVERALL HG.OF 1.060 IN. IN
surface_treatmentANODIZE AND PAINT
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, ROUNDED CORNERS, FOUR EARS AN D HOLES
NSN5340-01-100-4900
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12290433 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.780 INCHES NOMINAL IN
•
CORNER RADIUS: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
•
LENGTH: 13.470 INCHES MINIMUM AND 13.530 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 4.250 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 7.625 INCHES NOMINAL IN
•
EAR RADIUS: 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.780 INCHES NOMINAL IN
CORNER RADIUS0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
LENGTH13.470 INCHES MINIMUM AND 13.530 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLES ALONG LENGTH4.250 INCHES NOMINAL IN
FLANGE THICKNESS0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLES ALONG WIDTH7.625 INCHES NOMINAL IN
EAR RADIUS0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT, ROUND RIB REINFORCED
INVERTED RADIUS0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM 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 12290433?
12290433 is a COVER,ACCESS.
What is the NSN for 12290433?
12290433 is cataloged in the U.S. Government catalog under NSN 5340-01-100-4900. 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.