The Switch Section,rotary, cataloged under National Stock Number 5930-00-644-7757, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-644-7757 |
| Primary Part Number | M421722REV7PT4 |
| Item Name | Switch Section,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Switch Contact Basic Design | PILE-UP |
| Mounting Method | STRUT SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| M421722REV7PT4 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| M421722REV7PT4 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| M421722-4 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| HC | 3/1 Design control — primary reference Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
NSN 5930-00-644-7757 is a Switch Section,rotary, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-644-7757 has 1 manufacturer part number on file: M421722REV7PT4 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for M421722REV7PT4: Switch Contact Basic Design: PILE-UP; Mounting Method: STRUT SINGLE MOUNTING FACILITY. 2 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.