The Boot,dust and Moisture Seal, cataloged under National Stock Number 5930-01-154-0859, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Multi-Flex Seals Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-154-0859 |
| Primary Part Number | 40084-40 RED |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Multi-Flex Seals Inc |
| Status | ACTIVE |
| Dome Height | 0.239 INCHES NOMINAL IN |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Sealing Method | COMPRESSION |
| Thread Series | UNS |
| Opening Inside Diameter | 0.188 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Base Thread Location | INTERNAL |
| Thread Length | 0.072 INCHES NOMINAL IN |
| Style Designator | CLOSED END |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 40084-40 RED | Multi-Flex Seals Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-C-852345 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-154-0859 is a Boot,dust and Moisture Seal, manufactured by Multi-Flex Seals Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-154-0859 has 1 manufacturer part number on file: 40084-40 RED (Multi-Flex Seals Inc).
Key specifications for 40084-40 RED: Dome Height: 0.239 INCHES NOMINAL IN; Overall Height: 0.403 INCHES NOMINAL IN; Width Across Flats: 0.375 INCHES NOMINAL IN; Sealing Method: COMPRESSION. 13 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.