The Guard,switch, cataloged under National Stock Number 5930-01-389-3676, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Mission Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-389-3676 |
| Primary Part Number | SM-C-816022 |
| Item Name | Guard,switch |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.636 INCHES MINIMUM AND 0.644 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| SM-C-816022 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SM-C-816022-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-389-3676 is a Guard,switch, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-389-3676 has 1 manufacturer part number on file: SM-C-816022 (General Dynamics Mission Systems, Inc.).
Key specifications for SM-C-816022: Overall Height: 0.750 INCHES NOMINAL IN; Overall Diameter: 1.250 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Unthreaded Mounting Hole Diameter: 0.636 INCHES MINIMUM AND 0.644 INCHES MAXIMUM IN. 5 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.