The Cover,access, cataloged under National Stock Number 2590-01-678-4483, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-678-4483 |
| Primary Part Number | 12608526 |
| Item Name | Cover,access |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Corner Quantity | 6 |
| Corner Radius | 6.4 MILLIMETERS NOMINAL MM |
| Length | 486.7 MILLIMETERS NOMINAL MM |
| Thread Length | 1.25 MILLIMETERS NOMINAL MM |
| Heat Treatment | H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD |
| Material Document and Classification | B209 ASSN STD SINGLE MATERIAL RESPONSE |
| Shape | IRREGULAR |
| Securing Device Type | THREADED FASTENER |
| Width | 810.9 MILLIMETERS NOMINAL MM |
| Thread Class | M8 |
| Thread Quantity Per Inch | 8 |
| Corner Cut Type | ROUND |
| Material | ALUMINUM ALLOY 5052 |
| Thread Series Designator | M |
| Body Thickness | 4.5 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 12608526 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12608526 | 3/9 Design control — primary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2590-01-678-4483 is a Cover,access, manufactured by Oshkosh Defense Llc, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-678-4483 has 1 manufacturer part number on file: 12608526 (Oshkosh Defense Llc).
Key specifications for 12608526: Corner Quantity: 6; Corner Radius: 6.4 MILLIMETERS NOMINAL MM; Length: 486.7 MILLIMETERS NOMINAL MM; Thread Length: 1.25 MILLIMETERS NOMINAL MM. 15 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.