The Switch,push, cataloged under National Stock Number 5930-01-540-3247, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cole Hersee Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-540-3247 |
| Primary Part Number | M-639 |
| Item Name | Switch,push |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Cole Hersee Company |
| Status | ACTIVE |
| 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 |
|---|---|
| M-639 PRIMARY | Cole Hersee Company (USA) |
NSN 5930-01-540-3247 is a Switch,push, manufactured by Cole Hersee Company, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-540-3247 has 1 manufacturer part number on file: M-639 (Cole Hersee Company).
Key specifications for M-639: Special Features: SWITCH MOMENTARY, 12 VDC VDC; Part Name Assigned by Controlling Agency: PUSH BUTTON SWITCH, N.C.. 0 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.