The Switch,liquid Level, cataloged under National Stock Number 5930-01-121-7066, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-121-7066 |
| Primary Part Number | 65308-12047-103 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| Current Rating at Maximum Rated Voltage | 0.5 AMPERES RESISTIVE LOAD |
| DC Voltage Rating | 18.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Method | FLANGE |
| Voltage Rating at Maximum Rated Current | 28.0 VOLTS |
| Contact Arrangement | SINGLE THROW,NORMALLY OPEN,NORMALLY CLOSED |
| Mounting Position | HORIZONTAL |
| Maximum Current Rating | 0.5 AMPERES RESISTIVE LOAD |
| Connector Identification | MIL-C-5015 |
| Specific Equipment Accommodated | CH53E HELICOPTER |
| Criticality Code Justification | FEAT |
| Float Quantity | 1 |
| Liquid Type for Which Designed | LUBRICATING OIL |
| Tank Insertion Length | 2.500 INCHES NOMINAL IN |
| Connector Manufacturer Code | 81349 |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Dimensions | MTD BY FOUR NO. 10-32 NF-2B SELF-LOCKING INSERTS,THREE OF WHICH ARE EQUALLY SPACED 1.312 IN. C TO C AND ONE 1.187 IN. C TO C WITH FIRST INSERT IN |
| Electrical Connection Type | CONNECTOR RECEPTACLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 65308-12047-103 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| F-75865 | 3/2 Design control — primary reference U.S. Government activity |
| SLFV2206 | 5/9 Secondary reference Aerospace Control Products, Inc. Dba Aerospace Control Products Inc |
| 61200-1 | 5/9 Secondary reference Rogerson Aircraft Equipment Group |
NSN 5930-01-121-7066 is a Switch,liquid Level, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-121-7066 has 1 manufacturer part number on file: 65308-12047-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-383-1190. Verify interchangeability with system specifications before substitution.
Key specifications for 65308-12047-103: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Current Rating at Maximum Rated Voltage: 0.5 AMPERES RESISTIVE LOAD; DC Voltage Rating: 18.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED. 19 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.