The Switch,liquid Level, cataloged under National Stock Number 5930-00-554-1064, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-554-1064 |
| Primary Part Number | PS715000019-1 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| FSC Application Data | ACFT FUEL SYSTEM INSTL |
| Power Cable Length | 90.000 INCHES NOMINAL IN |
| Aircraft Fuel Grade Specific Gravity Rating | 0.845 AT 15.6 DEG C,MAX SP GR DEGC |
| Overall Diameter | 1.380 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 500.0 MILLIAMPERES NOMINAL LOAD |
| DC Voltage Rating | 28.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Mounting Method | THREAD |
| Contact Arrangement | SPST,NORMALLY OPEN |
| Mounting Position | VERTICAL |
| Float and Contact Positions | FLOAT UP, CONTACTS OPEN |
| Float Effective Travel | 0.590 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN |
| Float Quantity | 1 |
| Liquid Type for Which Designed | AIRCRAFT FUEL |
| Tank Insertion Length | 2.360 INCHES MAXIMUM IN |
| Aircraft Fuel Grade Specification | MIL-J-5624F |
| Aircraft Fuel Grade | GRADES JP-4,JP-5 |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Dimensions | MTG BY 9/16-18 UNF THD CONNECTION |
| Aircraft Fuel for Which Designed | SPECIFIC |
| 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 |
|---|---|
| PS715000019-1 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| F8300-23 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-00-554-1064 is a Switch,liquid Level, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-554-1064 has 1 manufacturer part number on file: PS715000019-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for PS715000019-1: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; FSC Application Data: ACFT FUEL SYSTEM INSTL; Power Cable Length: 90.000 INCHES NOMINAL IN. 22 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.