The Cover,access, cataloged under National Stock Number 5340-01-181-3021, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 14 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 | 5340-01-181-3021 |
| Primary Part Number | 452-001138 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.105 INCHES NOMINAL IN |
| Length | 0.930 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 0.790 INCHES NOMINAL IN |
| Corner Bevel Length | 0.075 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 0.750 INCHES NOMINAL IN |
| Mounting Opening Shape Style | THREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | SPECIAL |
| Distance From First Hole Centerline to End Along Length | 0.070 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 0.960 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Body Thickness | 0.250 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 |
|---|---|
| 452-001138 PRIMARY | Raytheon Company (USA) |
NSN 5340-01-181-3021 is a Cover,access, manufactured by Raytheon Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-181-3021 has 1 manufacturer part number on file: 452-001138 (Raytheon Company).
Key specifications for 452-001138: Distance From First Hole Centerline to End Along Width: 0.105 INCHES NOMINAL IN; Length: 0.930 INCHES NOMINAL IN; Distance Between Holes Along Length: 0.790 INCHES NOMINAL IN; Corner Bevel Length: 0.075 INCHES NOMINAL IN. 14 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.