The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-234-4987, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caplugs, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-234-4987 |
| Primary Part Number | RC-10 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caplugs, Inc. |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 0.760 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 0.625 INCHES NOMINAL IN |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Inside Diameter Length | 0.844 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 |
| Part Number | Manufacturer |
|---|---|
| RC-10 PRIMARY | Caplugs, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10112993 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| RC-10 | 5/9 Secondary reference U.S. Government activity |
| RC-10 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-234-4987 is a Cap,protective,dust and Moisture, manufactured by Caplugs, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-234-4987 has 1 manufacturer part number on file: RC-10 (Caplugs, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-504-3585, 5895-01-690-0431. Verify interchangeability with system specifications before substitution.
Key specifications for RC-10: Design Type: FRICTION; Overall Diameter: 0.760 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 0.625 INCHES NOMINAL IN; Material: PLASTIC, POLYETHYLENE (PP). 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.