The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-516-4789, 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 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 | 5340-01-516-4789 |
| Primary Part Number | 6813100 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Design Type | FRICTION |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 1.250 INCHES NOMINAL IN |
| Connector Nominal Thread Size for Which Designed | 0.500 INCHES IN |
| Opening Inside Diameter for Which Designed | 0.796 INCHES MINIMUM AND 0.798 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM OR ALUMINUM ALLOY |
| Inside Diameter Length | 0.500 INCHES NOMINAL IN |
| Round Cap Outside Surface Condition | KNURLED |
| 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 |
|---|---|
| 6813100 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-516-4789 is a Cap,protective,dust and Moisture, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-516-4789 has 1 manufacturer part number on file: 6813100 (Naval Sea Systems Command).
Key specifications for 6813100: Width Across Flats: 1.250 INCHES NOMINAL IN; Design Type: FRICTION; Overall Diameter: 1.250 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 1.250 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.