The Cover,access, cataloged under National Stock Number 5340-01-357-4503, 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 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 | 5340-01-357-4503 |
| Primary Part Number | 6243228 |
| 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 | 0.410 INCHES NOMINAL IN |
| Length | 3.570 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625 TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance Between Holes Along Length | 2.750 INCHES NOMINAL IN |
| Corner Bevel Length | 0.190 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 2.750 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | ASTM B209 T6 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Features Provided | SPECIAL MARKING |
| Securing Device Type | SPECIAL |
| Distance From First Hole Centerline to End Along Length | 0.410 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 3.570 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Body Thickness | 0.119 INCHES MINIMUM AND 0.131 INCHES MAXIMUM 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 |
|---|---|
| 6243228 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-357-4503 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-357-4503 has 1 manufacturer part number on file: 6243228 (Naval Sea Systems Command).
Key specifications for 6243228: Distance From First Hole Centerline to End Along Width: 0.410 INCHES NOMINAL IN; Length: 3.570 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE; Distance Between Holes Along Length: 2.750 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.