The Switch,lever, cataloged under National Stock Number 5930-00-256-2954, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telephone Company of America Incorporated. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-256-2954 |
| Primary Part Number | C1MG |
| Item Name | Switch,lever |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Telephone Company of America Incorporated |
| Status | ACTIVE |
| Pile-Up Contact Form Arrangement | 2C SECOND POSITION |
| Pile-Up Contact Form Arrangement | 2A1B FIRST POSITION |
| Inclosure Type | FULLY INCLOSED |
| Terminal Type and Quantity | 12 TAB, SOLDER LUG |
| Hazardous Locations/environmental Protection | WEATHERPROOF |
| 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 |
|---|---|
| C1MG PRIMARY | Telephone Company of America Incorporated (USA) |
| B40145-1 | Telephone Company of America Incorporated (USA) |
| B40145 PRIMARY | Telephone Company of America Incorporated (USA) |
| Reference | Meaning |
|---|---|
| D162975MG | 5/9 Secondary reference At and T Corp |
| D162975MG | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| D162975MG | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| D162975MG | 5/9 Secondary reference American Telephone and Telegraph Co |
| C1MG | 5/9 Secondary reference American Telephone and Telegraph Co |
| 832BC1MG | 5/9 Secondary reference Universal Circuit Controls Corp |
| C1MG | 5/9 Secondary reference At and T Corp |
NSN 5930-00-256-2954 is a Switch,lever, manufactured by Telephone Company of America Incorporated, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-256-2954 has 3 manufacturer part numbers on file: C1MG (Telephone Company of America Incorporated), B40145-1 (Telephone Company of America Incorporated), B40145 (Telephone Company of America Incorporated).
Key specifications for C1MG: Pile-Up Contact Form Arrangement: 2C SECOND POSITION; Pile-Up Contact Form Arrangement: 2A1B FIRST POSITION; Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 12 TAB, SOLDER LUG. 5 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.