The Cover,access, cataloged under National Stock Number 5340-01-053-5345, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-053-5345 |
| Primary Part Number | 12266531 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Flange Thickness | 0.500 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 6 |
| Inside Corner Radius | 0.250 INCHES NOMINAL IN |
| First Recess Inside Height | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 8.875 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Pilot Diameter | 7.249 INCHES NOMINAL IN |
| Inside Diameter | 6.749 INCHES NOMINAL IN |
| Pilot Height | 0.250 INCHES NOMINAL IN |
| Bolt Circle Diameter | 8.245 INCHES MINIMUM AND 8.255 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Body Outside Radius | 0.500 INCHES NOMINAL IN |
| Outside Corner Radius | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 356.0 |
| Inside Angle | 90.0 DEGREES NOMINAL |
| Body Thickness | 0.375 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 |
|---|---|
| 12266531 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 6695-506 | 5/9 Secondary reference Recon/optical, Inc. |
NSN 5340-01-053-5345 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-053-5345 has 1 manufacturer part number on file: 12266531 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266531: Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE; Flange Thickness: 0.500 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 6; Inside Corner Radius: 0.250 INCHES NOMINAL IN. 20 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.