The Cover,access, cataloged under National Stock Number 2590-01-531-4255, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-531-4255 |
| Primary Part Number | 12477844 |
| Item Name | Cover,access |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
| Vehicle Identification Designator | M88A2 |
| Thread Direction | RIGHT-HAND |
| Mounting Hole/slot Quantity | 1 |
| Vehicle Design Control Activity | 19207 |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | STEEL,ARMOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Mounting Hole Type | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12477844 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2590-01-531-4255 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-531-4255 has 1 manufacturer part number on file: 12477844 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12477844: Overall Height: 1.250 INCHES NOMINAL IN; Usage Design: FULL-TRACKED VEHICLE; Mounting Method: SCREW; Thread Length: 1.000 INCHES MINIMUM IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.