PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HB12138Switch,rotary

Dowty Rfl Industries Inc · NSN 5930-00-799-9786 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-799-9786 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-799-9786. Primary manufacturer part number: HB12138.
Features
  • Switch,rotary — FSC 5930
  • Pole Quantity: 5 EACH SECTION FRONT
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY
  • Shaft Flat/slot Angular Location: 150.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
  • Switch Actuator Indexing Position Quantity: 3 SINGLE ACTUATOR
  • First Flat Length: 0.500 INCHES NOMINAL SINGLE ACTUATOR IN
  • Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-799-9786, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Dowty Rfl Industries Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-799-9786
Primary Part NumberHB12138
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDowty Rfl Industries Inc
StatusACTIVE
Pole Quantity5 EACH SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Shaft Flat/slot Angular Location150.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Switch Actuator Indexing Position Quantity3 SINGLE ACTUATOR
First Flat Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Nonturn Device TypeTAB AT 9:00 OCLOCK
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Nonturn Device Radius0.437 INCHES NOMINAL AT 9:00 OCLOCK IN
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Flat Height0.218 INCHES NOMINAL SINGLE ACTUATOR IN
Terminal TypeCLIP
Rotor Through Connection Quantity5 EACH SECTION
Throw Quantity3 EACH SECTION REAR
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Precious MaterialSILVER
Thread Class2A SINGLE MOUNTING FACILITY A
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Shaft Length0.625 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Load Current Rating1.5 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Individual Section Quantity2
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Load Current Rating230.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-203-5897 INTERCHANGEABLE
Switch,rotary
5930-00-536-0611 INTERCHANGEABLE
Switch,rotary
5930-00-583-2060 INTERCHANGEABLE
Switch,rotary
5930-00-823-0113 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
HB12138 Dowty Rfl Industries Inc (USA)
PA2031 Crl Components Inc (USA)
Related Parts
5930-00-203-5897INTERCHANGEABLE
SWITCH,ROTARY
5930-00-536-0611INTERCHANGEABLE
SWITCH,ROTARY
5930-00-583-2060INTERCHANGEABLE
SWITCH,ROTARY
5930-00-823-0113INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 5930-00-799-9786?

NSN 5930-00-799-9786 is a Switch,rotary, manufactured by Dowty Rfl Industries Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-799-9786?

NSN 5930-00-799-9786 has 2 cross-referenced part numbers: HB12138 (Dowty Rfl Industries Inc), PA2031 (Crl Components Inc).

What NSN replaces 5930-00-799-9786?

There are 4 known substitutes for 5930-00-799-9786: 5930-00-203-5897, 5930-00-536-0611, 5930-00-583-2060 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HB12138?

Key specifications for HB12138: Pole Quantity: 5 EACH SECTION FRONT; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY; Shaft Flat/slot Angular Location: 150.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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