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12477844 — COVER,ACCESS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12477844: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: CIRCULAR, material: STEEL,ARMOR, thread_class: 2B, usage_design: FULL-TRACKED VEHICLE, thread_length: 1.000 INCHES MINIMUM IN, overall_height: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2590-01-531-4255, 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
12477844
NSN: 2590-01-531-4255
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
shapeCIRCULAR
materialSTEEL,ARMOR
thread_class2B
usage_designFULL-TRACKED VEHICLE
thread_length1.000 INCHES MINIMUM IN
overall_height1.250 INCHES NOMINAL IN
mounting_methodSCREW
outside_diameter3.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
mounting_hole_typeUNABLE TO DECODE
mounting_hole_diameterUNABLE TO DECODE
thread_quantity_per_inch13
NSN2590-01-531-4255
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ACCESS TITLE COMPONENT PN 12477844 MFR COVER,ACCESS
KEY FEATURES
•
USAGE DESIGN: FULL-TRACKED VEHICLE
•
MOUNTING METHOD: SCREW
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
MOUNTING OPENING SHAPE STYLE: THREADED HOLE
•
MOUNTING HOLE DIAMETER: UNABLE TO DECODE
•
SHAPE: CIRCULAR
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.250 INCHES NOMINAL IN
USAGE DESIGNFULL-TRACKED VEHICLE
MOUNTING METHODSCREW
THREAD LENGTH1.000 INCHES MINIMUM IN
MOUNTING OPENING SHAPE STYLETHREADED HOLE
MOUNTING HOLE DIAMETERUNABLE TO DECODE
SHAPECIRCULAR
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
VEHICLE IDENTIFICATION DESIGNATORM88A2
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-006-7503 2590-00-007-2356 2590-01-151-9629 2590-01-445-9216 2590-01-468-7350 2590-01-600-0314 2590-01-600-0319 2590-01-608-6611
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 12477844?
12477844 is a COVER,ACCESS.
What is the NSN for 12477844?
12477844 is cataloged in the U.S. Government catalog under NSN 2590-01-531-4255. 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.