The Cover,access, cataloged under National Stock Number 5340-01-133-7141, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-133-7141 |
| Primary Part Number | 12273901 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Corner Radius | 0.120 INCHES NOMINAL IN |
| Length | 4.240 INCHES NOMINAL IN |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| Inside Corner Radius | 1.938 INCHES NOMINAL IN |
| First Recess Inside Height | 0.380 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Securing Device Type | ELBOW CATCH |
| Inside Diameter | 1.938 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, NO HOLES |
| Width | 20.840 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 |
| 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 |
|---|---|
| 12273901 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12273 901 | 5/9 Secondary reference Lanzen, Incorporated Dba Lanzen Inc |
| 5340011337141 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5340-01-133-7141 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-133-7141 has 1 manufacturer part number on file: 12273901 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12273901: Corner Radius: 0.120 INCHES NOMINAL IN; Length: 4.240 INCHES NOMINAL IN; Flange Thickness: 0.125 INCHES NOMINAL IN; Inside Corner Radius: 1.938 INCHES NOMINAL IN. 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.
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.