The Switch,sensitive, cataloged under National Stock Number 5930-01-127-1990, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Burgess Switch Co Ltd. Government technical data includes 20 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 | 5930-01-127-1990 |
| Primary Part Number | C9CTQMSA |
| Item Name | Switch,sensitive |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Burgess Switch Co Ltd |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNTED |
| Housing Height | 2.800 INCHES MAXIMUM IN |
| Actuator Style | ROLLER ARM |
| Center to Center Distance Between Housing Mounting Facilities Parallel to Length | 2.690 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Switch Actuating Force | 20.0 OUNCES MAXIMUM OZ |
| Switch Release Force | 6.0 OUNCES MINIMUM OZ |
| Actuator Length | 1.560 INCHES NOMINAL IN |
| Housing Width | 1.020 INCHES MAXIMUM IN |
| Actuator Roller Width | 0.250 INCHES NOMINAL IN |
| Actuator Movement | 10.0 PRETRAVEL DEGREES MAXIMUM AND 6.5 OVERTRAVEL DEGREES NOMINAL AND 0.5 DIFFERENTIAL DEGREES MAXIMUM |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 480.0 AC AND 250.0 DC |
| Terminal Type and Quantity | 3 SCREW |
| Housing Length | 3.010 INCHES MAXIMUM IN |
| Actuator Roller Diameter | 0.750 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 250.000 MILLIAMPERES RESISTIVE DC AND 30.000 MILLIAMPERES INDUCTIVE DC AND 15.000 AMPERES RESISTIVE AC AND 4.000 AMPERES INDUCTIVE AC |
| Actuator Free Position Height | 1.900 INCHES NOMINAL IN |
| Hazardous Locations/environmental Protection | WATER RESISTANT |
| 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 |
|---|---|
| C9CTQMSA PRIMARY | Burgess Switch Co Ltd (CAN) |
NSN 5930-01-127-1990 is a Switch,sensitive, manufactured by Burgess Switch Co Ltd, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-127-1990 has 1 manufacturer part number on file: C9CTQMSA (Burgess Switch Co Ltd).
Key specifications for C9CTQMSA: Overall Height: 3.140 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNTED; Housing Height: 2.800 INCHES MAXIMUM IN. 20 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.