The Switch,lever, cataloged under National Stock Number 5930-00-259-7570, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-259-7570 |
| Primary Part Number | MCL1-1-1-1 |
| Item Name | Switch,lever |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Pile-Up Contact Form Arrangement | 2A FIRST POSITION A |
| Pile-Up Contact Form Arrangement | 2A SECOND POSITION A |
| Inclosure Type | UNINCLOSED |
| Body Style | HOLE MOUNTED |
| Actuator Style | ROUND |
| Mounting Method | THREADED HOLE(S) |
| Body Width | 1.375 INCHES NOMINAL IN |
| Body Height | 1.750 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.250 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED |
| Body Length | 3.375 INCHES NOMINAL IN |
| Color | BLACK SINGLE ACTUATOR |
| Precious Material and Location | CONTACTS SILVER |
| Maximum Voltage Rating in Volts | 125.0 AC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.625 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 40 |
| Terminal Type and Quantity | 8 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Actuator Height | 1.438 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN |
| Contact Load Current Rating at Maximum Rated Voltage | 10.000 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 |
|---|---|
| MCL1-1-1-1 PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| ESA682073-4 | General Control Co Inc (USA) |
| Reference | Meaning |
|---|---|
| ESA682073-4 | 5/9 Secondary reference At and T Corp |
| ESA682073ISS8PT4SH5 | 5/9 Secondary reference At and T Corp |
NSN 5930-00-259-7570 is a Switch,lever, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-259-7570 has 2 manufacturer part numbers on file: MCL1-1-1-1 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), ESA682073-4 (General Control Co Inc).
Key specifications for MCL1-1-1-1: Pile-Up Contact Form Arrangement: 2A FIRST POSITION A; Pile-Up Contact Form Arrangement: 2A SECOND POSITION A; Inclosure Type: UNINCLOSED; Body Style: HOLE MOUNTED. 21 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.