The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-067-3910, 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5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-067-3910 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Opening Inside Diameter | 0.375 INCHES NOMINAL IN |
| Body Outside Diameter | 0.625 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Base Outside Diameter | 0.437 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 |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 68944 | 3/9 Design control — primary reference U.S. Government activity |
| 68944 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 935 | 5/9 Secondary reference Jamak Inc |
NSN 5340-01-067-3910 is a Boot,dust and Moisture Seal, classified under FSC 5340, Hardware, Commercial. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-258-9338, 6550-01-333-7726. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-067-3910: Overall Height: 2.000 INCHES NOMINAL IN; Opening Inside Diameter: 0.375 INCHES NOMINAL IN; Body Outside Diameter: 0.625 INCHES NOMINAL IN; Style Designator: THRU-HOLE. 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.