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12637648 — COVER,ACCESS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12637648: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 0.25 INCHES NOMINAL IN, length: 3.25 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, usage_design: FULL-TRACKED VEHICLE, overall_height: 4.0 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2590-01-686-3068, 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
12637648
NSN: 2590-01-686-3068
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeRECTANGULAR
width0.25 INCHES NOMINAL IN
length3.25 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
usage_designFULL-TRACKED VEHICLE
overall_height4.0 INCHES NOMINAL IN
corner_quantity4
color_chip_number33446
surface_treatmentCARC (CHEMICAL AGENT RESISTANT COATING) AND PRIMER EPOXY
mounting_hole_typeUNABLE TO DECODE
bolt_circle_diameter0.41 INCHES NOMINAL IN
securing_device_typeNONSPECIFIC
NSN2590-01-686-3068
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ACCESS TITLE COMPONENT PN 12637648 MFR COVER,ACCESS
KEY FEATURES
•
CORNER QUANTITY: 4
•
LENGTH: 3.25 INCHES NOMINAL IN
•
COLOR CHIP NUMBER: 33446
•
USAGE DESIGN: FULL-TRACKED VEHICLE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.0 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 2
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 2.50 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.0 INCHES NOMINAL IN
CORNER QUANTITY4
LENGTH3.25 INCHES NOMINAL IN
COLOR CHIP NUMBER33446
USAGE DESIGNFULL-TRACKED VEHICLE
DISTANCE BETWEEN HOLES ALONG LENGTH3.0 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH2
DISTANCE BETWEEN HOLES ALONG WIDTH2.50 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMB209 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETERUNABLE TO DECODE
OTHER ITEMS IN FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-001-1252 2590-00-001-1253 2590-00-001-1254 2590-00-001-3423 2590-00-001-3438 2590-00-001-3439 2590-00-001-3461 2590-00-001-3463
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12637648?
12637648 is a COVER,ACCESS.
What is the NSN for 12637648?
12637648 is cataloged in the U.S. Government catalog under NSN 2590-01-686-3068. 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.