The Cover,access, cataloged under National Stock Number 5340-01-311-6370, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-311-6370 |
| Primary Part Number | 5543290 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.480 INCHES NOMINAL IN |
| Length | 11.880 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance Between Holes Along Length | 0.818 INCHES NOMINAL AND 1.155 INCHES NOMINAL IN |
| Hole Quantity Along Length | 18 |
| Distance Between Holes Along Width | 1.000 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 | FLAT |
| Securing Device Type | SPECIAL |
| Hole Quantity Along Width | 24 |
| Distance From First Hole Centerline to End Along Length | 0.312 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 11.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.170 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Body Thickness | 0.063 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 |
NSN 5340-01-311-6370 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-311-6370 has 2 manufacturer part numbers on file: 5543290 (Raytheon Company), 5543290 (Naval Sea Systems Command).
Key specifications for 5543290: Distance From First Hole Centerline to End Along Width: 0.480 INCHES NOMINAL IN; Length: 11.880 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE; Distance Between Holes Along Length: 0.818 INCHES NOMINAL AND 1.155 INCHES NOMINAL IN. 18 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.