The Cover,access, cataloged under National Stock Number 5340-01-510-7674, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-510-7674 |
| Primary Part Number | 6854219 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-24441/29, FORMULA 150, TYPE IV MIL SPEC 1ST TREATMENT RESPONSE AND FED-STD-595, HAZE GRAY 26270 FED STD 2ND TREATMENT RESPONSE AND MIL-C-85285 MIL SPEC 2ND TREATMENT RESPONSE |
| Flange Thickness | 0.285 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Bolt Circle Hole Quantity | 8 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | ASTM B26,356-T6, CLASS 2B, GRADE D ASSN STD 1ST MATERIAL RESPONSE AND AMS 4027, AA6061-T62, -T651 ASSN STD 2ND MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT, ROUND RIB REINFORCED |
| Outside Diameter | 10.410 INCHES MINIMUM AND 10.590 INCHES MAXIMUM IN |
| Securing Device Type | SPECIAL |
| Bolt Circle Diameter | 9.500 INCHES NOMINAL IN |
| Surface Treatment | PRIMER EPOXY-POLYAMIDE AND PAINT POLYURETHANE |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY A356.0 AND ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| Body Thickness | 0.690 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 5340-01-510-7674 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-510-7674 has 2 manufacturer part numbers on file: 6854219 (Bae Systems Land & Armaments L.p.), 6854219 (Naval Sea Systems Command).
Key specifications for 6854219: Surface Treatment Document and Classification: MIL-P-24441/29, FORMULA 150, TYPE IV MIL SPEC 1ST TREATMENT RESPONSE AND FED-STD-595, HAZE GRAY 26270 FED STD 2ND TREATMENT RESPONSE AND MIL-C-85285 MIL SPEC 2ND TREATMENT RESPONSE; Flange Thickness: 0.285 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN; Bolt Circle Hole Quantity: 8; Mounting Opening Shape Style: UNTHREADED HOLE. 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.