The Cover,access, cataloged under National Stock Number 5340-01-073-4322, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-073-4322 |
| Primary Part Number | 12267139 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Thickness | 0.535 INCHES NOMINAL IN |
| Inside Corner Radius | 0.500 INCHES NOMINAL IN |
| First Recess Inside Height | 0.500 INCHES NOMINAL IN |
| Hole Quantity Along Length | 4 |
| Distance Between Hole Centers | 3.006 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 6.600 INCHES NOMINAL IN |
| Bolt Hole Centerline to Nearest Edge Distance | 0.356 INCHES NOMINAL IN |
| Inside Diameter | 4.640 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 5340-01-073-4322 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-073-4322 has 2 manufacturer part numbers on file: 12267139 (U S Army Tank Automotive Command Amsta-Im-Mm), DAX12549 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 12267139: Flange Thickness: 0.535 INCHES NOMINAL IN; Inside Corner Radius: 0.500 INCHES NOMINAL IN; First Recess Inside Height: 0.500 INCHES NOMINAL IN; Hole Quantity Along Length: 4. 11 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.
NSN 5340-01-073-4322 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.