The Switch,rotary, cataloged under National Stock Number 5930-01-640-8230, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pollak Joseph Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-640-8230 |
| Primary Part Number | 51-918 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Pollak Joseph Corp |
| 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 5930-01-640-8230 is a Switch,rotary, manufactured by Pollak Joseph Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-640-8230 has 3 manufacturer part numbers on file: 51-918 (Pollak Joseph Corp), 1071661 (Tld Canada Inc), 1071661 (Freightquip Pty Ltd).
Key specifications for 51-918: Special Features: FEATURES INCORPORATED HEAVY DUTY SILVER PLATED CONTACTS;ONE PEICE DIE-CAST HOUSING SEALED WITH O-RINGS AT BASE AND MOUNTING STEM TO KEEP OUT DUST AND MOISTURE.;TWO 3/4" AND TWO NO 10-32 COPPER ALLOY STUD TERMINALS HEXNUTS AND LOCK WASHER; Part Name Assigned by Controlling Agency: BATTERY MASTER DISCONNECT SWITCHES. 0 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.