The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-712-0204, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-712-0204 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Width Across Flats | 1.060 INCHES NOMINAL IN |
| Design Type | THREADED |
| Overall Diameter | 1.180 INCHES NOMINAL IN |
| Material Document and Classification | L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 1/2-14 NPT |
| Inside Diameter Length | 0.440 INCHES NOMINAL IN |
| Round Cap Outside Surface Condition | RIBBED |
| 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 |
| Reference | Meaning |
|---|---|
| NAS846 | 3/1 Design control — primary reference U.S. Government activity |
| 7120204 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| MIL-C-5501/6 | 5/9 Secondary reference U.S. Government activity |
| NAS846P8 | 3/2 Design control — primary reference U.S. Government activity |
| M5501/6-F8 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-712-0204 is a Cap,protective,dust and Moisture, classified under FSC 5340, Hardware, Commercial. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5340-00-804-0766, 5996-01-647-8668. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-712-0204: Width Across Flats: 1.060 INCHES NOMINAL IN; Design Type: THREADED; Overall Diameter: 1.180 INCHES NOMINAL IN; Material Document and Classification: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE. 8 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.