The Cover,access, cataloged under National Stock Number 5340-00-178-0189, 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 12 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 | 5340-00-178-0189 |
| Primary Part Number | 10905954 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Length | 21.017 INCHES NOMINAL IN |
| Inside Corner Radius | 6.485 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ARCHED |
| Features Provided | OBSERVATION FACILITY |
| Securing Device Type | SPECIAL |
| Peripheral Shape Style | BAND TYPE |
| Width | 5.960 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Body Thickness | 0.190 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 |
|---|---|
| 10905954 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-00-178-0189 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-178-0189 has 1 manufacturer part number on file: 10905954 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10905954: Length: 21.017 INCHES NOMINAL IN; Inside Corner Radius: 6.485 INCHES NOMINAL IN; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE. 12 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.