The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-917-9514, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: PG.
| Parameter | Value |
|---|---|
| NSN | 5340-00-917-9514 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Series | UN-32 |
| Opening Inside Diameter | 0.422 INCHES NOMINAL IN |
| Mounting Method | INTEGRAL THREADED NUT |
| Base Thread Location | INTERNAL |
| Style Designator | CLOSED END |
| Material Thickness | 0.075 INCHES NOMINAL IN |
| Mounting Device Quantity | 1 |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | RUBBER SILICONE 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 | PG |
| Reference | Meaning |
|---|---|
| NC3030H | 3/2 Design control — primary reference U.S. Government activity |
| ENGN01231SERIES | 5/1 Secondary reference U.S. Government activity |
NSN 5340-00-917-9514 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): 5930-01-523-7018. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-917-9514: Overall Height: 0.734 INCHES NOMINAL IN; Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Series: UN-32; Opening Inside Diameter: 0.422 INCHES NOMINAL IN. 12 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.