The Switch,frequency, cataloged under National Stock Number 5930-00-474-9991, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is North Atlantic Industries, Inc. Dba North Atlantic Industries. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Switch,frequency |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | North Atlantic Industries, Inc. Dba North Atlantic Industries (CAGE 0VGU1) |
| Parameter | Value |
|---|---|
| NSN | 5930-00-474-9991 |
| Primary Part Number | 202539 |
| Item Name | Switch,frequency |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | North Atlantic Industries, Inc. Dba North Atlantic Industries |
| 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 |
|---|---|
| 202539 PRIMARY | North Atlantic Industries, Inc. Dba North Atlantic Industries (USA) |
| Reference | Meaning |
|---|---|
| 202539 | 5/9 Secondary reference Nai Technologies Inc |
| 500618 | C/1 Advisory reference — outside the item-of-supply concept Nai Technologies Inc |
| 776261 | 5/9 Secondary reference Nai Technologies Inc |
NSN 5930-00-474-9991 is a Switch,frequency, manufactured by North Atlantic Industries, Inc. Dba North Atlantic Industries, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-474-9991 has 1 manufacturer part number on file: 202539 (North Atlantic Industries, Inc. Dba North Atlantic Industries).
3 possible matches (shared part number, not a government interchangeability claim): 5998-00-488-1893, 5340-00-518-6297, 5133-01-443-4792. 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.