The Switch,sensitive, cataloged under National Stock Number 5930-00-474-4520, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnatrol Valve Corp Div Clark-Cooper. Government technical data includes 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-474-4520 |
| Primary Part Number | TV3420PC21 |
| Item Name | Switch,sensitive |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Magnatrol Valve Corp Div Clark-Cooper |
| Status | ACTIVE |
| Actuator Diameter | 0.306 INCHES NOMINAL0.306 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNTED |
| Housing Height | 1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN |
| Actuator Style | ROUND |
| Center to Center Distance Between Housing Mounting Facilities Parallel to Width | 1.625 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Switch Actuating Force | 9.0 OUNCES MINIMUM AND 24.0 OUNCES MAXIMUM OZ |
| Switch Release Force | 4.0 OUNCES MINIMUM OZ |
| Housing Width | 1.000 INCHES NOMINAL IN |
| Actuator Movement | 0.078 PRETRAVEL INCHES MAXIMUM AND 0.078 PRETRAVEL INCHES MAXIMUM AND 0.219 OVERTRAVEL INCHES MINIMUM AND 0.219 OVERTRAVEL INCHES MINIMUM AND 0.002 DIFFERENTIAL INCHES MAXIMUM0.002 DIFFERENTIAL INCHES MAXIMUM |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 480.0 AC AND 280.0 DC |
| Terminal Type and Quantity | 3 SCREW |
| Housing Length | 2.700 INCHES MINIMUM AND 2.700 INCHES MINIMUM AND 2.760 INCHES MAXIMUM2.760 INCHES MAXIMUM IN |
| Actuator Height | 0.970 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 250.000 MILLIAMPERES RESISTIVE DC AND 20.000 AMPERES RESISTIVE AC |
| Actuator Free Position Height | 0.970 INCHES NOMINAL0.970 INCHES NOMINAL IN |
| 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 |
|---|---|
| TV3420PC21 | Magnatrol Valve Corp Div Clark-Cooper (USA) |
| Reference | Meaning |
|---|---|
| TV3424PC21 | 5/9 Secondary reference Magnatrol Valve Corp Div Clark-Cooper |
| TV3424-1PC21 | 5/9 Secondary reference Magnatrol Valve Corp Div Clark-Cooper |
| KSB-F | 3/9 Design control — primary reference U.S. Government activity |
| KFB2HB2-5 | 5/9 Secondary reference U.S. Government activity |
| S4824-3005537REVEPC21 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-474-4520 is a Switch,sensitive, manufactured by Magnatrol Valve Corp Div Clark-Cooper, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-474-4520 has 1 manufacturer part number on file: TV3420PC21 (Magnatrol Valve Corp Div Clark-Cooper).
Key specifications for TV3420PC21: Actuator Diameter: 0.306 INCHES NOMINAL0.306 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNTED; Housing Height: 1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN. 18 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.