PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3249Switch,rotary

Ballantine Laboratories Inc · NSN 5930-00-788-3136 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-788-3136 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-788-3136. Primary manufacturer part number: 3249.
Features
  • Switch,rotary — FSC 5930
  • Contact Switching Action: BREAKS BEFORE MAKES SECOND SECTION FRONT
  • Shaft Type: ROUND, FLATTED SINGLE ACTUATOR
  • Pole Quantity: 3 SECOND SECTION FRONT
  • Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR
  • Flat Height: 0.218 INCHES NOMINAL SINGLE ACTUATOR IN
  • First Flat Length: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN
  • Contact Switching Action: BREAKS BEFORE MAKES FIRST SECTION FRONT
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-788-3136, 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 Ballantine Laboratories Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-788-3136
Primary Part Number3249
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerBallantine Laboratories Inc
StatusACTIVE
Contact Switching ActionBREAKS BEFORE MAKES SECOND SECTION FRONT
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Pole Quantity3 SECOND SECTION FRONT
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Flat Height0.218 INCHES NOMINAL SINGLE ACTUATOR IN
First Flat Length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Switching ActionBREAKS BEFORE MAKES FIRST SECTION FRONT
Throw Quantity3 SECOND SECTION FRONT
Thread Length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Contact Voltage Rating in Volts110.0 AC AT SEA LEVEL
Individual Section Quantity3
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Throw Quantity3 FIRST SECTION FRONT
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Pole Quantity2 FIRST SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Shaft Diameter0.281 INCHES NOMINAL SINGLE ACTUATOR IN
Shaft Length0.781 INCHES NOMINAL SINGLE ACTUATOR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-274-454610505776 INTERCHANGEABLE
Washer,flat
General Dynamics Land Systems Canadacorp
2940-00-382-8003L21 INTERCHANGEABLE
Line
Honeywell International Inc Dba Honeywell Div Consumer Products Group
2040-00-388-0798 INTERCHANGEABLE
Strut
5355-00-521-6925 INTERCHANGEABLE
Dial,control
5360-00-845-7430 INTERCHANGEABLE
Spring,helical,extension
5310-00-958-8240R54092 INTERCHANGEABLE
Nut,rotation
Neac Compressor Service Usa Inc
5998-01-210-20792121651-301 INTERCHANGEABLE
Extender Card,electronic Test
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
5975-01-480-13023249 INTERCHANGEABLE
Adapter,electrical Conduit
Heyco Inc Dba Heyco Products
4730-01-480-3473CC-0009654 INTERCHANGEABLE
Clamp,hose
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
3249 PRIMARY Ballantine Laboratories Inc (USA)
Related Parts
5310-00-274-4546INTERCHANGEABLE
WASHER,FLAT
10505776
2940-00-382-8003INTERCHANGEABLE
LINE
L21
2040-00-388-0798INTERCHANGEABLE
STRUT
5355-00-521-6925INTERCHANGEABLE
DIAL,CONTROL
5360-00-845-7430INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5310-00-958-8240INTERCHANGEABLE
NUT,ROTATION
R54092
5998-01-210-2079INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
2121651-301
5975-01-480-1302INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
3249
4730-01-480-3473INTERCHANGEABLE
CLAMP,HOSE
CC-0009654

Frequently Asked Questions

What is NSN 5930-00-788-3136?

NSN 5930-00-788-3136 is a Switch,rotary, manufactured by Ballantine Laboratories Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-788-3136?

NSN 5930-00-788-3136 has 1 cross-referenced part number: 3249 (Ballantine Laboratories Inc).

What NSN replaces 5930-00-788-3136?

There are 9 known substitutes for 5930-00-788-3136: 5310-00-274-4546, 2940-00-382-8003, 2040-00-388-0798 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3249?

Key specifications for 3249: Contact Switching Action: BREAKS BEFORE MAKES SECOND SECTION FRONT; Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Pole Quantity: 3 SECOND SECTION FRONT; Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR. 24 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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