The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-676-4178, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caplugs Llc Dba Caplugs. Government technical data includes 3 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 | 5340-01-676-4178 |
| Primary Part Number | SC-138 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caplugs Llc Dba Caplugs |
| Status | ACTIVE |
| Design Type | FRICTION |
| Tube Outside Diameter for Which Designed | 1.0 INCHES NOMINAL IN |
| Material | PLASTIC POLYPROPYLENE |
| 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 |
|---|---|
| SC-138 PRIMARY | Caplugs Llc Dba Caplugs (USA) |
NSN 5340-01-676-4178 is a Cap,protective,dust and Moisture, manufactured by Caplugs Llc Dba Caplugs, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-676-4178 has 1 manufacturer part number on file: SC-138 (Caplugs Llc Dba Caplugs).
Key specifications for SC-138: Overall Height: 0.75 INCHES NOMINAL IN; Design Type: FRICTION; Tube Outside Diameter for Which Designed: 1.0 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SLEEVE CAP FOR TUBE END. 3 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.