The Switch,push, cataloged under National Stock Number 5930-01-709-0143, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-709-0143 |
| Primary Part Number | 2HMC4-51S21010000 |
| Item Name | Switch,push |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Features Provided | FULL DISPLAY LENS AND ROHS DIRECTIVE COMPLIANCE |
| Color | WHITE SINGLE ACTUATOR |
| Maximum Voltage Rating in Volts | 5.0 DC |
| 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 |
|---|---|
| 110357 | Esco Maritime Solutions Ltd (GBR) |
| 70117147 | Bae Systems Marine Limited (GBR) |
| 2HMC4-51S21010000 PRIMARY | Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems (USA) |
NSN 5930-01-709-0143 is a Switch,push, manufactured by Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-709-0143 has 3 manufacturer part numbers on file: 110357 (Esco Maritime Solutions Ltd), 70117147 (Bae Systems Marine Limited), 2HMC4-51S21010000 (Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems).
Key specifications for 2HMC4-51S21010000: Inclosure Type: FULLY INCLOSED; Features Provided: FULL DISPLAY LENS AND ROHS DIRECTIVE COMPLIANCE; Color: WHITE SINGLE ACTUATOR; Special Features: SOLDER/PCB TERMINATIONS) AND IV (CRIMP PIN TERMINATION),WATERTIGHT,4-POLE DOUBLE THROW,GROUND:COMMON LAMP. 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.