The Switch,toggle, cataloged under National Stock Number 5930-01-072-3947, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-072-3947 |
| Primary Part Number | MSL-203N-7 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.829 INCHES NOMINAL IN |
| Actuator Style | RECTANGULAR |
| Mounting Method | THREADED HOLE(S) |
| Actuator Width | 0.314 INCHES NOMINAL IN |
| Body Width | 0.385 INCHES NOMINAL IN |
| Body Height | 0.500 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 0.653 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MOMENTARY AND DOWN POSITION MOMENTARY AND CENTER POSITION MAINTAINED |
| Body Length | 0.760 INCHES NOMINAL IN |
| Actuator Length | 0.510 INCHES NOMINAL IN |
| Color | BLACK SINGLE ACTUATOR |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT |
| Precious Material and Location | CONTACTS AND TERMINAL SURFACES SILVER |
| Maximum Voltage Rating in Volts | 125.0 AC |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Actuator Height | 0.200 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 3.000 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 |
|---|---|
| MSL-203N-7 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| MSL-203N-7 | 3/9 Design control — primary reference U.S. Government activity |
| 119-338 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-072-3947 is a Switch,toggle, manufactured by Te Connectivity Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-072-3947 has 1 manufacturer part number on file: MSL-203N-7 (Te Connectivity Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 6610-01-077-3303, 5340-01-268-9149. Verify interchangeability with system specifications before substitution.
Key specifications for MSL-203N-7: Overall Height: 0.893 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: HOLE MOUNT; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.829 INCHES NOMINAL IN. 23 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.