The Switch,toggle, cataloged under National Stock Number 5930-01-317-1878, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Young Engineering Company, L.l.c.. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-317-1878 |
| Primary Part Number | 0121-0018 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Young Engineering Company, L.l.c. |
| Status | ACTIVE |
| Bushing Length | 0.469 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.797 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 1.188 INCHES NOMINAL IN |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED |
| Body Length | 1.234 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Precious Material and Location | CONTACTS SILVER |
| Maximum Voltage Rating in Volts | 277.0 AC AND 12.0 DC |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Thread Series Designator | UNS |
| Actuator Height | 0.562 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 20.000 AMPERES RESISTIVE DC AND 15.000 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 |
|---|---|
| 0121-0018 PRIMARY | Young Engineering Company, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 0121-0018 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-01-317-1878 is a Switch,toggle, manufactured by Young Engineering Company, L.l.c., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-317-1878 has 1 manufacturer part number on file: 0121-0018 (Young Engineering Company, L.l.c.).
Key specifications for 0121-0018: Bushing Length: 0.469 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: BUSHING MOUNT; Actuator Style: ROUND. 19 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.