The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-552-1381, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-552-1381 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Opening Inside Diameter | 0.172 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Material Document and Classification | MIL-R-3065,TYPE S,CLASS SB,GRADE 410 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Base Outside Diameter | 1.062 INCHES NOMINAL IN |
| Material | RUBBER BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 650972 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-552-1381 is a Boot,dust and Moisture Seal, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-425-7917. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-552-1381: Overall Height: 0.150 INCHES NOMINAL IN; Opening Inside Diameter: 0.172 INCHES NOMINAL IN; Style Designator: THRU-HOLE; Material Document and Classification: MIL-R-3065,TYPE S,CLASS SB,GRADE 410 MIL SPEC SINGLE MATERIAL RESPONSE BODY. 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.