The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-247-4675, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Smith and Smith Aircraft Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-247-4675 |
| Primary Part Number | 159-54175 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| FSC Application Data | FUSELAGE SECT.,AIRFRAME |
| Sealing Method | MECHANICAL |
| Opening Inside Diameter | 0.938 INCHES NOMINAL IN |
| Mounting Method | COMPRESSION |
| Style Designator | THRU-HOLE |
| Base Overall Length | 2.219 INCHES NOMINAL IN |
| Mounting Device Quantity | 5 |
| Base Width | 1.344 INCHES NOMINAL IN |
| Material | GLASS BODY |
| 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 |
|---|---|
| 159-54175 PRIMARY | Smith and Smith Aircraft Co (USA) |
| Reference | Meaning |
|---|---|
| 159-54175 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-247-4675 is a Boot,dust and Moisture Seal, manufactured by Smith and Smith Aircraft Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-247-4675 has 1 manufacturer part number on file: 159-54175 (Smith and Smith Aircraft Co).
Key specifications for 159-54175: Overall Height: 2.750 INCHES NOMINAL IN; FSC Application Data: FUSELAGE SECT.,AIRFRAME; Sealing Method: MECHANICAL; Opening Inside Diameter: 0.938 INCHES NOMINAL IN. 9 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.