The Switch E,tension, cataloged under National Stock Number 5930-00-332-9403, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ambac International Corporation Div Ambac International. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 E,tension |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Ambac International Corporation Div Ambac International (CAGE 01843) |
| Parameter | Value |
|---|---|
| NSN | 5930-00-332-9403 |
| Primary Part Number | 62510 |
| Item Name | Switch E,tension |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 62510 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| Reference | Meaning |
|---|---|
| B21170 | 5/9 Secondary reference U.S. Government activity |
| 979-1B112 | 5/9 Secondary reference Gap Instrument Corp |
| 206-238 | 3/2 Design control — primary reference U.S. Government activity |
| 979-1B112 | 5/9 Secondary reference Advanced Logic Resources Inc Dba Alr |
NSN 5930-00-332-9403 is a Switch E,tension, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-332-9403 has 1 manufacturer part number on file: 62510 (Ambac International Corporation Div Ambac International).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-160-8075. 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.