The Switch,liquid Level, cataloged under National Stock Number 5930-01-566-6730, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Itt Rule Industries Inc Danforth Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-566-6730 |
| Primary Part Number | RULE 37A |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Itt Rule Industries Inc Danforth Div |
| Status | ACTIVE |
| Actuation Method | BUOYANCY |
| DC Voltage Rating | 12.0 VOLTS MINIMUM AND 32.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Method | BASE |
| Mounting Position | HORIZONTAL |
| Maximum Current Rating | 20.0 AMPERES NOMINAL LOAD |
| Float Quantity | 1 |
| Liquid Type for Which Designed | WATER |
| Electrical Connection Type | CABLE |
| 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 |
|---|---|
| 808508 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| RULE 37A PRIMARY | Itt Rule Industries Inc Danforth Div (USA) |
| 5482-181 ITEM 34 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| 5482-181/34 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
NSN 5930-01-566-6730 is a Switch,liquid Level, manufactured by Itt Rule Industries Inc Danforth Div, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-566-6730 has 4 manufacturer part numbers on file: 808508 (Bvt Surface Fleet Support Ltd (halmatic Range)), RULE 37A (Itt Rule Industries Inc Danforth Div), 5482-181 ITEM 34 (Bvt Surface Fleet Support Ltd (halmatic Range)), 5482-181/34 (Bvt Surface Fleet Support Ltd (halmatic Range)).
Key specifications for RULE 37A: Actuation Method: BUOYANCY; Overall Height: 2.000 INCHES NOMINAL IN; DC Voltage Rating: 12.0 VOLTS MINIMUM AND 32.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Mounting Method: BASE. 8 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.