The Switch,liquid Level, cataloged under National Stock Number 5930-00-174-3576, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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.
| Parameter | Value |
|---|---|
| NSN | 5930-00-174-3576 |
| Primary Part Number | 1540645 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| Power Cable Length | 36.000 INCHES NOMINAL IN |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 5.000 AMPERES NOMINAL LOAD |
| DC Voltage Rating | 28.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Mounting Method | FLANGE |
| Contact Arrangement | SPST |
| Mounting Position | VERTICAL |
| Float Effective Travel | 2.000 INCHES NOMINAL IN |
| Float Quantity | 1 |
| Liquid Type for Which Designed | LUBRICATING OIL |
| Tank Insertion Length | 3.000 INCHES MAXIMUM IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Dimensions | MTG BY THREE 0.203 IN. DIA HOLES EQUALLY SPACED ON 0.813 IN. RADIUS IN |
| 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 |
|---|---|
| 1540645 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
NSN 5930-00-174-3576 is a Switch,liquid Level, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-174-3576 has 1 manufacturer part number on file: 1540645 (Raytheon Company Div Rmd Strategic).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-551-0990. Verify interchangeability with system specifications before substitution.
Key specifications for 1540645: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Power Cable Length: 36.000 INCHES NOMINAL IN; Overall Diameter: 2.000 INCHES NOMINAL IN. 16 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.