The Switch,rotary, cataloged under National Stock Number 5930-01-178-8991, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Muirhead Aerospace Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Switch,rotary |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Muirhead Aerospace Ltd (CAGE K0624) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-178-8991 |
| Primary Part Number | 70763 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Muirhead Aerospace Ltd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 70763 PRIMARY | Muirhead Aerospace Ltd (GBR) |
| Reference | Meaning |
|---|---|
| PL 70248 ITEM S8 | 5/1 Secondary reference Muirhead Aerospace Ltd |
| 5930PL0714674 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5930-01-178-8991 is a Switch,rotary, manufactured by Muirhead Aerospace Ltd, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-178-8991 has 1 manufacturer part number on file: 70763 (Muirhead Aerospace Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-181-1427, 6150-01-482-1694. Verify interchangeability with system specifications before substitution.
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.