The Adapter,switch Actuator, cataloged under National Stock Number 5930-00-642-9939, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 3 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-642-9939 |
| Primary Part Number | PM50 |
| Item Name | Adapter,switch Actuator |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Method | FLUSH |
| Actuator Adapter Style | ROLLER ARM |
| Features Provided | ADJUSTABLE |
| 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 |
|---|---|
| PM50 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
NSN 5930-00-642-9939 is a Adapter,switch Actuator, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-642-9939 has 1 manufacturer part number on file: PM50 (Phaostron Instrument and Electronic Company).
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-291-2991, 6625-01-475-7203, 6685-01-514-5360. Verify interchangeability with system specifications before substitution.
Key specifications for PM50: Mounting Method: FLUSH; Actuator Adapter Style: ROLLER ARM; Features Provided: ADJUSTABLE. 3 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.