The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-620-5490, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Unison Industries Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-620-5490 |
| Primary Part Number | 28624 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Design Type | THREADED |
| Thread Class | 2A A |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 1.062-18 UNEF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 28624 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 28624 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-620-5490 is a Plug,protective,dust and Moistur, manufactured by Unison Industries Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-620-5490 has 1 manufacturer part number on file: 28624 (Unison Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-397-0607. Verify interchangeability with system specifications before substitution.
Key specifications for 28624: Design Type: THREADED; Thread Class: 2A A; Material: PLASTIC; Thread Size and Series/type Designator: 1.062-18 UNEF. 4 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.