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12287021 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12287021: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, special_features: TRIANGULAR SHAPE,19 HOLES AROUND PERIPHERY OF THE COVER.ONE PORT IN THECENTER OF THE TRIANGLE PER MS33649-06, securing_device_type: SPECIAL, cross-sectional_shape_style: FLAT, corner_hole_centerline_radius: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, material_document_and_classification: QQ-A-250/11, T651 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-083-5666, 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
12287021
NSN: 5340-01-083-5666
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
special_featuresTRIANGULAR SHAPE,19 HOLES AROUND PERIPHERY OF THE COVER.ONE PORT IN THECENTER OF THE TRIANGLE PER MS33649-06
securing_device_typeSPECIAL
cross-sectional_shape_styleFLAT
corner_hole_centerline_radius0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/11, T651 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-083-5666
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12287021 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11, T651 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPECIAL
•
CORNER HOLE CENTERLINE RADIUS: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11, T651 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
CORNER HOLE CENTERLINE RADIUS0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
SPECIAL FEATURESTRIANGULAR SHAPE,19 HOLES AROUND PERIPHERY OF THE COVER.ONE PORT IN THECENTER OF THE TRIANGLE PER MS33649-06
MATERIALALUMINUM ALLOY 6061
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 12287021?
12287021 is a COVER,ACCESS.
What is the NSN for 12287021?
12287021 is cataloged in the U.S. Government catalog under NSN 5340-01-083-5666. This indicates validated use in U.S. government and defense supply chains.
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