The Cover,access, cataloged under National Stock Number 5340-01-381-2168, 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 10 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 | 5340-01-381-2168 |
| Primary Part Number | 6620191 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 12.230 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| First Recess Inside Height | 1.337 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | RECESS, SAME SHAPE AS THE PERIPHERY |
| Securing Device Type | SPECIAL |
| Surface Treatment | CHROMATE |
| Width | 7.800 INCHES NOMINAL IN |
| 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 |
NSN 5340-01-381-2168 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-381-2168 has 2 manufacturer part numbers on file: 6620191 (Raytheon Company), 6620191 (Naval Sea Systems Command).
Key specifications for 6620191: Length: 12.230 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE; Flange Thickness: 0.250 INCHES NOMINAL IN; First Recess Inside Height: 1.337 INCHES NOMINAL IN. 10 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.