The Switch,rotary, cataloged under National Stock Number 5930-01-471-2745, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-471-2745 |
| Primary Part Number | 12951 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Shallco, Inc |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | SCREW |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.190 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 3 |
| Contact Voltage Rating in Volts | 200.0 AC AT SEA LEVEL |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| 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 |
|---|---|
| 12951 | Shallco, Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-A-743215-3 | 3/2 Design control — primary reference U.S. Government activity |
| 32903ME | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-471-2745 is a Switch,rotary, manufactured by Shallco, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-471-2745 has 1 manufacturer part number on file: 12951 (Shallco, Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5315-01-488-4373, 5120-01-500-8978, 5340-01-619-7329. Verify interchangeability with system specifications before substitution.
Key specifications for 12951: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: SCREW; Overall Diameter: 2.000 INCHES NOMINAL IN. 11 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.