The Switch,rotary, cataloged under National Stock Number 5930-00-771-8372, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Shallco, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-771-8372 |
| Primary Part Number | SPEC 4197 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Shallco, Inc |
| Status | ACTIVE |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 150.0 AC AT SEA LEVEL |
| 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 |
|---|---|
| SPEC 4197 | Shallco, Inc (USA) |
| Reference | Meaning |
|---|---|
| B4376-112 | 5/9 Secondary reference Meggitt (new Hampshire), Inc |
| B4376-112 | 5/9 Secondary reference Shallco, Inc |
| C18420-3 | 3/9 Design control — primary reference Dar Electronics Inc Dba National Radio Co |
NSN 5930-00-771-8372 is a Switch,rotary, manufactured by Shallco, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-771-8372 has 1 manufacturer part number on file: SPEC 4197 (Shallco, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5910-00-854-3353. Verify interchangeability with system specifications before substitution.
Key specifications for SPEC 4197: Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL; Contact Voltage Rating in Volts: 150.0 AC AT SEA LEVEL. 2 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.