The Switch,thermostatic, cataloged under National Stock Number 5930-01-646-3778, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is W. W. Hart Corporation Dba Arnel Compressor Co. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-646-3778 |
| Primary Part Number | 37952421 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | W. W. Hart Corporation Dba Arnel Compressor Co |
| 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 |
NSN 5930-01-646-3778 is a Switch,thermostatic, manufactured by W. W. Hart Corporation Dba Arnel Compressor Co, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-646-3778 has 2 manufacturer part numbers on file: 37952421 (W. W. Hart Corporation Dba Arnel Compressor Co), 37952421 (Industrial Air Power Llc Dba Industrial Air Power Inc).
Key specifications for 37952421: Part Name Assigned by Controlling Agency: (INAVY) SWITCH, TEMPERATURE; End Item Identification: MIXER, ASPHAL. 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.