The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-954-3092, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-954-3092 |
| Primary Part Number | QB91242-5 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Sealing Method | COMPRESSION |
| Thread Series | UNS |
| Opening Inside Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Method | STRAP(S) |
| Base Thread Location | INTERNAL |
| Thread Length | 0.125 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Mounting Device Quantity | 1 |
| Nominal Thread Size | 0.469 INCHES IN |
| Base Inside Diameter | 0.469 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | RUBBER SILICONE BODY |
| Hazardous Locations/environmental Protection | ACID RESISTANT AND OZONE RESISTANT AND SALT WATER RESISTANT |
| 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 |
|---|---|
| QB91242-5 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| QB91242-5 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5340-00-954-3092 is a Boot,dust and Moisture Seal, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-954-3092 has 1 manufacturer part number on file: QB91242-5 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Key specifications for QB91242-5: Overall Height: 0.219 INCHES NOMINAL IN; Width Across Flats: 0.625 INCHES NOMINAL IN; Sealing Method: COMPRESSION; Thread Series: UNS. 15 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.