The Switch Subassembly, cataloged under National Stock Number 5930-01-254-0643, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tld Ace Corp Div Tld Ace. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Switch Subassembly |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Siemens Energy and Automation Inc Siemens Furnas Controls Div (CAGE 23826); Tld Ace Corp Div Tld Ace (CAGE 00365) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-254-0643 |
| Primary Part Number | 1000570 |
| Item Name | Switch Subassembly |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Tld Ace Corp Div Tld Ace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5930-01-254-0643 is a Switch Subassembly, manufactured by Tld Ace Corp Div Tld Ace, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-254-0643 has 2 manufacturer part numbers on file: 52SB2BCB (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 1000570 (Tld Ace Corp Div Tld Ace).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-599-9201. Verify interchangeability with system specifications before substitution.
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.