The Switch,indicator, cataloged under National Stock Number 5930-01-181-4007, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Applied Avionics, Llc Dba Applied Avionics, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Switch,indicator |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Applied Avionics, Llc Dba Applied Avionics, Inc (CAGE 32245); Leonardo Uk Ltd (CAGE K1066) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-181-4007 |
| Primary Part Number | 99-221 |
| Item Name | Switch,indicator |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Applied Avionics, Llc Dba Applied Avionics, Inc |
| 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 |
|---|---|
| 99-221 PRIMARY | Applied Avionics, Llc Dba Applied Avionics, Inc (USA) |
| 1BK507196-27 | Leonardo Uk Ltd (GBR) |
NSN 5930-01-181-4007 is a Switch,indicator, manufactured by Applied Avionics, Llc Dba Applied Avionics, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-181-4007 has 2 manufacturer part numbers on file: 99-221 (Applied Avionics, Llc Dba Applied Avionics, Inc), 1BK507196-27 (Leonardo Uk Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-667-8181. 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.