The Cover,access, cataloged under National Stock Number 5340-01-431-7321, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Westest Engineering Corporation Dba Westest. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-431-7321 |
| Primary Part Number | 1000174-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Westest Engineering Corporation Dba Westest |
| Status | ACTIVE |
| Length | 5.5800 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 5.2500 INCHES NOMINAL IN |
| Hole Quantity Along Length | 2 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | SPECIAL |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 0.5850 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Hole Diameter | 0.0130 INCHES NOMINAL IN |
| Body Thickness | 0.0625 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 |
|---|---|
| 1000174-1 PRIMARY | Westest Engineering Corporation Dba Westest (USA) |
| Reference | Meaning |
|---|---|
| 9313119-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-431-7321 is a Cover,access, manufactured by Westest Engineering Corporation Dba Westest, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-431-7321 has 1 manufacturer part number on file: 1000174-1 (Westest Engineering Corporation Dba Westest).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-493-9081. Verify interchangeability with system specifications before substitution.
Key specifications for 1000174-1: Length: 5.5800 INCHES NOMINAL IN; Distance Between Holes Along Length: 5.2500 INCHES NOMINAL IN; Hole Quantity Along Length: 2; Mounting Opening Shape Style: UNTHREADED HOLE. 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.