The Switch,liquid Level, cataloged under National Stock Number 5930-00-937-6136, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 12 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-937-6136 |
| Primary Part Number | 27479 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| Current Rating at Maximum Rated Voltage | 45.0 MILLIAMPERES RESISTIVE LOAD |
| Mounting Method | FLANGE |
| Voltage Rating at Maximum Rated Current | 110.0 VOLTS |
| Contact Arrangement | 2 SINGLE POLE N.O. AS ONE FLOAT CONTROL-ONE FOR ALARM W/2 SINGLE POLE N.C. CONTACTS |
| Mounting Position | VERTICAL |
| Maximum Current Rating | 90.0 MILLIAMPERES RESISTIVE LOAD |
| Float Quantity | 2 |
| Liquid Type for Which Designed | VARIOUS FUELS |
| Tank Insertion Length | 41.500 INCHES NOMINAL IN |
| Mounting Dimensions | 4-0.562IN. DIALHOLES EQUALLY SPACED ON A 3.12IN. BOLT CENTER IN |
| 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 |
|---|---|
| 27479 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
NSN 5930-00-937-6136 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-937-6136 has 1 manufacturer part number on file: 27479 (Setra Systems, Inc. Dba Gems Sensors).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-507-1426, 5305-01-619-2797. Verify interchangeability with system specifications before substitution.
Key specifications for 27479: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Overall Height: 6.125 INCHES NOMINAL IN; Current Rating at Maximum Rated Voltage: 45.0 MILLIAMPERES RESISTIVE LOAD. 12 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.