The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-359-7091, 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 9 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 | 5340-01-359-7091 |
| Primary Part Number | 6169991-2 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Design Type | FRICTION |
| Overall Diameter | 1.850 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN |
| Drive Type | SERRATED |
| Material Document and Classification | COMP 316 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | SHOULDER |
| Opening Inside Diameter for Which Designed | 1.225 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 5340-01-359-7091 is a Plug,protective,dust and Moistur, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-359-7091 has 2 manufacturer part numbers on file: 6169991-2 (Lockheed Martin Corporation Div Rotary and Mission Systems), 6169991-2 (Naval Sea Systems Command).
Key specifications for 6169991-2: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Design Type: FRICTION; Overall Diameter: 1.850 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN; Drive Type: SERRATED. 9 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.