The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-578-1197, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Plastic Dip Moldings Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Plastic Dip Moldings Inc (CAGE 6D0J1) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-578-1197 |
| Primary Part Number | 7678 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Plastic Dip Moldings Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 223-8216641-7 | Naval Sea Systems Command (USA) |
| 7678 PRIMARY | Plastic Dip Moldings Inc (USA) |
| PDM-7678 | Plastic Dip Moldings Inc (USA) |
| Reference | Meaning |
|---|---|
| H751-0511-91 | 5/1 Secondary reference U.S. Government activity |
| H7510514A-7 | 5/2 Secondary reference U.S. Government activity |
| H751-0514-7 | 5/2 Secondary reference U.S. Government activity |
| 223-8216644-91 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5340-01-578-1197 is a Boot,dust and Moisture Seal, manufactured by Plastic Dip Moldings Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-578-1197 has 3 manufacturer part numbers on file: 223-8216641-7 (Naval Sea Systems Command), 7678 (Plastic Dip Moldings Inc), PDM-7678 (Plastic Dip Moldings Inc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-645-7800. Verify interchangeability with system specifications before substitution.
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.