The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-084-5529, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Niagara Plastics L.l.c.. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-084-5529 |
| Primary Part Number | DP-4 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Niagara Plastics L.l.c. |
| Status | ACTIVE |
| Design Type | THREADED |
| Drive Type | RAISED RIB |
| Features Provided | SHOULDER |
| Thread Class | 2A A |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Thread Size and Series/type Designator | 0.438-24 UNS |
| 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 |
|---|---|
| DP-4 PRIMARY | Niagara Plastics L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 10429153 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-084-5529 is a Plug,protective,dust and Moistur, manufactured by Niagara Plastics L.l.c., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-084-5529 has 1 manufacturer part number on file: DP-4 (Niagara Plastics L.l.c.).
5 possible matches (shared part number, not a government interchangeability claim): 6750-01-388-8964, 6750-01-388-9719, 6750-01-388-9745. Verify interchangeability with system specifications before substitution.
Key specifications for DP-4: Design Type: THREADED; Drive Type: RAISED RIB; Features Provided: SHOULDER; Special Features: COLOR BLUE. 6 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.