PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18331-1Switch,rotary

Dar Electronics Inc Dba National Radio Co · NSN 5930-00-768-3996 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-768-3996 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-768-3996. Primary manufacturer part number: 18331-1.
Features
  • Switch,rotary — FSC 5930
  • Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY
  • Shaft Flat/slot Angular Location: 45.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Thread Length: 0.313 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Switch Actuator Stop Device Type: FIXED STOP SINGLE ACTUATOR
  • First Flat Length: 0.406 INCHES NOMINAL SINGLE ACTUATOR IN
  • Style Designator: CIRCULAR WAFER, BUSHING MOUNT
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-768-3996, 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 Dar Electronics Inc Dba National Radio Co. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5930-00-768-3996
Primary Part Number18331-1
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDar Electronics Inc Dba National Radio Co
StatusACTIVE
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Shaft Flat/slot Angular Location45.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Thread Length0.313 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
First Flat Length0.406 INCHES NOMINAL SINGLE ACTUATOR IN
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Pole Quantity3 SINGLE SECTION REAR
Switch Actuator Indexing Position Quantity6 SINGLE ACTUATOR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Shaft Length0.531 INCHES NOMINAL SINGLE ACTUATOR IN
Throw Quantity6 SINGLE SECTION REAR
Individual Section Quantity1
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Shaft TypeROUND, V FLATTED SINGLE ACTUATOR
Switch Actuator Positioning Increment20.0 DEGREES SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-158-62745719-1 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
5310-00-242-049918331-1 INTERCHANGEABLE
Washer,special
Naval Inventory Control Point Mechanicsburg
5310-00-588-0943SM-B-157440 INTERCHANGEABLE
Nut,plain,hexagon
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-01-094-046557191 INTERCHANGEABLE
Strainer Element,sediment
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
18331-1 Dar Electronics Inc Dba National Radio Co (USA)
5719-1 Meggitt (new Hampshire), Inc (USA)
5719-1 Shallco, Inc (USA)
18331-1 Viking Technologies, Ltd. (USA)
Related Parts
3110-00-158-6274INTERCHANGEABLE
BEARING,BALL,THRUST
5719-1
5310-00-242-0499INTERCHANGEABLE
WASHER,SPECIAL
18331-1
5310-00-588-0943INTERCHANGEABLE
NUT,PLAIN,HEXAGON
SM-B-157440
4730-01-094-0465INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
57191

Frequently Asked Questions

What is NSN 5930-00-768-3996?

NSN 5930-00-768-3996 is a Switch,rotary, manufactured by Dar Electronics Inc Dba National Radio Co, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-768-3996?

NSN 5930-00-768-3996 has 4 cross-referenced part numbers: 18331-1 (Dar Electronics Inc Dba National Radio Co), 5719-1 (Meggitt (new Hampshire), Inc), 5719-1 (Shallco, Inc), 18331-1 (Viking Technologies, Ltd.).

What NSN replaces 5930-00-768-3996?

There are 4 known substitutes for 5930-00-768-3996: 3110-00-158-6274, 5310-00-242-0499, 5310-00-588-0943 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18331-1?

Key specifications for 18331-1: Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY; Shaft Flat/slot Angular Location: 45.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Thread Length: 0.313 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 23 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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