The Cover,access, cataloged under National Stock Number 5340-00-621-2567, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-621-2567 |
| Primary Part Number | 7529401 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| EAR Quantity | 6 |
| Flange Thickness | 0.420 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 6 |
| Inside Corner Radius | 0.125 INCHES NOMINAL IN |
| First Recess Inside Height | 0.750 INCHES NOMINAL IN |
| EAR Radius | 0.310 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Inverted Radius | 0.310 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Body Radius | 2.375 INCHES NOMINAL IN |
| Inside Diameter | 4.250 INCHES NOMINAL IN |
| Bolt Circle Diameter | 5.035 INCHES MINIMUM AND 5.055 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE FILM |
| Peripheral Shape Style | ROUND, MULTIEARS AND HOLES |
| Material | ALUMINUM ALLOY A380.0 |
| Hole Diameter | 0.438 INCHES NOMINAL IN |
| Body Thickness | 0.125 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 |
|---|---|
| 7529401 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1684M5 | 5/9 Secondary reference Diamond Reo Truck Co |
| 5340006212567 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5340-00-621-2567 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-621-2567 has 1 manufacturer part number on file: 7529401 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6240-00-765-9457. Verify interchangeability with system specifications before substitution.
Key specifications for 7529401: EAR Quantity: 6; Flange Thickness: 0.420 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 6; Inside Corner Radius: 0.125 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.