The Cover,access, cataloged under National Stock Number 5340-00-157-0747, 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 24 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-157-0747 |
| Primary Part Number | 11644473 |
| 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 |
| Surface Treatment Document and Classification | TT-529 FED SPEC SINGLE TREATMENT RESPONSE OR TT-E-485 FED SPEC SINGLE TREATMENT RESPONSE |
| Flange Thickness | 0.180 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 6 |
| Inside Corner Radius | 0.320 INCHES NOMINAL IN |
| First Recess Inside Height | 1.200 INCHES NOMINAL IN |
| EAR Radius | 0.320 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-601 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-596 FED SPEC 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Inverted Radius | 0.240 INCHES NOMINAL IN |
| Features Provided | SEALING CAPABILITY |
| Securing Device Type | THREADED FASTENER |
| Body Radius | 1.750 INCHES NOMINAL IN |
| Inside Diameter | 2.880 INCHES NOMINAL IN |
| Bolt Circle Diameter | 3.406 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL |
| Peripheral Shape Style | ROUND, MULTIEARS AND HOLES |
| Body Outside Radius | 0.320 INCHES NOMINAL IN |
| Outside Corner Radius | 0.020 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 355.0 OR ALUMINUM ALLOY 356.0 |
| Inside Angle | 15.0 DEGREES NOMINAL |
| Hole Diameter | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Body Thickness | 0.180 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 |
|---|---|
| 11644473 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-00-157-0747 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-157-0747 has 1 manufacturer part number on file: 11644473 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11644473: EAR Quantity: 6; Surface Treatment Document and Classification: TT-529 FED SPEC SINGLE TREATMENT RESPONSE OR TT-E-485 FED SPEC SINGLE TREATMENT RESPONSE; Flange Thickness: 0.180 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 6. 24 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.