The Switch,proximity, cataloged under National Stock Number 5930-01-561-3395, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is K-Tek Corp.. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-561-3395 |
| Primary Part Number | MS-40 |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | K-Tek Corp. |
| Status | ACTIVE |
| Precious Material | SILVER |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 0.5 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 0.2 AMPERES RESISTIVE LOAD FOURTH VOLTAGE |
| Mounting Method | INLET CONNECTION |
| Style Designator | RECTANGULAR |
| Body Length | 3.000 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Precious Material and Location | CONTACT MATERIAL SILVER |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL FOURTH VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL FIRST VOLTAGE |
| 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 |
|---|---|
| MS-40 PRIMARY | K-Tek Corp. (USA) |
NSN 5930-01-561-3395 is a Switch,proximity, manufactured by K-Tek Corp., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-561-3395 has 1 manufacturer part number on file: MS-40 (K-Tek Corp.).
Key specifications for MS-40: Overall Height: 2.875 INCHES NOMINAL IN; Precious Material: SILVER; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE. 14 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.