The Switch,lock, cataloged under National Stock Number 5930-01-171-2958, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-171-2958 |
| Primary Part Number | 5189177-001 |
| Item Name | Switch,lock |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Diameter | 1.500 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNTED |
| Center to Center Distance Between Mounting Facilities Parallel to Diameter | 1.250 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 3.600 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 5 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Contact Load Current Rating at Maximum Rated Voltage | 2.000 AMPERES RESISTIVE DC AND 1.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES RESISTIVE AC |
| 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 |
|---|---|
| 5189177-001 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 51-1962 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-171-2958 is a Switch,lock, manufactured by Naval Sea Systems Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-171-2958 has 1 manufacturer part number on file: 5189177-001 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-177-0000. Verify interchangeability with system specifications before substitution.
Key specifications for 5189177-001: Body Diameter: 1.500 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNTED; Center to Center Distance Between Mounting Facilities Parallel to Diameter: 1.250 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.