The Switch,sensitive, cataloged under National Stock Number 5930-01-564-4923, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-564-4923 |
| Primary Part Number | 437540R |
| Item Name | Switch,sensitive |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNTED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.880 INCHES NOMINAL IN |
| Actuator Style | LEAF |
| Mounting Method | UNTHREADED HOLE(S) AND TERMINAL |
| Switch Actuating Force | 1.5 OUNCES MAXIMUM OZ |
| Body Width | 0.400 INCHES NOMINAL IN |
| Body Height | 0.630 INCHES NOMINAL IN |
| Switch Release Force | 0.1 OUNCES MINIMUM OZ |
| Body Length | 1.140 INCHES NOMINAL IN |
| Actuator Length | 1.400 INCHES NOMINAL IN |
| Actuator Movement | 0.120 PRETRAVEL INCHES MAXIMUM |
| Precious Material and Location | CONTACTS SILVER |
| Maximum Voltage Rating in Volts | 277.0 AC |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Contact Load Current Rating at Maximum Rated Voltage | 11.000 AMPERES RESISTIVE AC |
| 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 |
|---|---|
| 437540R PRIMARY | Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion (USA) |
| Reference | Meaning |
|---|---|
| 43754 | 5/9 Secondary reference Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion |
NSN 5930-01-564-4923 is a Switch,sensitive, manufactured by Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-564-4923 has 1 manufacturer part number on file: 437540R (Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion).
1 possible match (shared part number, not a government interchangeability claim): 7050-01-651-9705. Verify interchangeability with system specifications before substitution.
Key specifications for 437540R: Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNTED; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.880 INCHES NOMINAL IN; Actuator Style: LEAF. 16 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.