The Switch,rotary, cataloged under National Stock Number 5930-01-477-2377, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dynalec Corporation. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-477-2377 |
| Primary Part Number | 66507-103-96 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 10.0 AMPERES INDUCTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 115.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 115.00 HIGHEST DC VOLTAGE RATING 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 |
|---|---|
| 66507-103-96 PRIMARY | Dynalec Corporation (USA) |
| 803-7405281-103 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| M4CLSA6-803-7405281 | 5/1 Secondary reference Dynalec Corporation |
| MIL-S-24187/3-M4CLSA6 | 4/1 Identification reference U.S. Government activity |
NSN 5930-01-477-2377 is a Switch,rotary, manufactured by Dynalec Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-477-2377 has 2 manufacturer part numbers on file: 66507-103-96 (Dynalec Corporation), 803-7405281-103 (Naval Sea Systems Command).
5 possible matches (shared part number, not a government interchangeability claim): 5930-01-477-2501, 5930-01-477-2504, 5930-01-477-2508. Verify interchangeability with system specifications before substitution.
Key specifications for 66507-103-96: Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL; Contact Load Current Rating: 10.0 AMPERES INDUCTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL; Contact Voltage Rating in Volts: 115.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL; Contact Voltage Rating in Volts: 115.00 HIGHEST DC VOLTAGE RATING AT SEA LEVEL. 4 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.