The Cover,access, cataloged under National Stock Number 5340-01-428-6581, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-428-6581 |
| Primary Part Number | 12358844-4 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.6380 INCHES NOMINAL IN |
| Inside Width | 4.9040 INCHES NOMINAL IN |
| Corner Radius | 0.3400 INCHES NOMINAL IN |
| Length | 5.0300 INCHES NOMINAL IN |
| Inside Length | 4.9040 INCHES NOMINAL IN |
| Flange Thickness | 0.0630 INCHES NOMINAL IN |
| Inside Corner Radius | 0.3400 INCHES NOMINAL IN |
| First Recess Inside Height | 0.2470 INCHES NOMINAL IN |
| Hole Quantity Along Length | 6 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/2 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SQUARE OR RECTANGULAR RECESS |
| Securing Device Type | SPECIAL |
| Hole Quantity Along Width | 2 |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 5.0300 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 3003 AND ALUMINUM ALLOY 5052 |
| Hole Diameter | 0.2060 INCHES MINIMUM AND 0.2340 INCHES MAXIMUM IN |
| Body Thickness | 0.0630 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 12358844-4 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| Z80-80AC0T-BB | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-428-6581 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-428-6581 has 1 manufacturer part number on file: 12358844-4 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12358844-4: Distance From First Hole Centerline to End Along Width: 0.6380 INCHES NOMINAL IN; Inside Width: 4.9040 INCHES NOMINAL IN; Corner Radius: 0.3400 INCHES NOMINAL IN; Length: 5.0300 INCHES NOMINAL IN. 19 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.