The Switch Assembly, cataloged under National Stock Number 5930-01-666-7031, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Yale Industrial Products, Inc. Div Duff Norton Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-666-7031 |
| Primary Part Number | BH-3921 |
| Item Name | Switch Assembly |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Yale Industrial Products, Inc. Div Duff Norton Company |
| Status | ACTIVE |
| 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 |
|---|---|
| BH-3921 PRIMARY | Yale Industrial Products, Inc. Div Duff Norton Company (USA) |
| Reference | Meaning |
|---|---|
| 117404-21 FIG 9-13 REF NO 12 | C/1 Advisory reference — outside the item-of-supply concept Yale Industrial Products, Inc. Div Duff Norton Company |
NSN 5930-01-666-7031 is a Switch Assembly, manufactured by Yale Industrial Products, Inc. Div Duff Norton Company, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-666-7031 has 1 manufacturer part number on file: BH-3921 (Yale Industrial Products, Inc. Div Duff Norton Company).
Key specifications for BH-3921: Part Name Assigned by Controlling Agency: SWITCH ASSEMBLY; End Item Identification: HOIST,CHAIN,E. 0 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.