The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-379-4155, 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 5 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 | 5340-01-379-4155 |
| Primary Part Number | 210101860 |
| Item Name | Cap-Plug,protective,dust and Moi |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Closed End Overall Diameter | 2.923 INCHES MINIMUM AND 2.953 INCHES MAXIMUM IN |
| Length Under Shoulder | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Open End Inside Diameter | 1.688 INCHES MINIMUM AND 1.691 INCHES MAXIMUM IN |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 210101860 PRIMARY | Naval Sea Systems Command (USA) |
| 801-6405539-9-4 | Naval Sea Systems Command (USA) |
NSN 5340-01-379-4155 is a Cap-Plug,protective,dust and Moi, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-379-4155 has 2 manufacturer part numbers on file: 210101860 (Naval Sea Systems Command), 801-6405539-9-4 (Naval Sea Systems Command).
Key specifications for 210101860: Closed End Overall Diameter: 2.923 INCHES MINIMUM AND 2.953 INCHES MAXIMUM IN; Length Under Shoulder: 0.750 INCHES NOMINAL IN; Material Document and Classification: QQ-S-763, CLASS 304, COND A FED SPEC SINGLE MATERIAL RESPONSE; Open End Inside Diameter: 1.688 INCHES MINIMUM AND 1.691 INCHES MAXIMUM IN. 5 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.