PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102521Switch,rotary

U M C Electronics Co · NSN 5930-01-040-7544 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-040-7544 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-040-7544. Primary manufacturer part number: 102521.
Features
  • Switch,rotary — FSC 5930
  • Switch Actuator Indexing Position Quantity: 2 SINGLE ACTUATOR
  • Shaft Type: ROUND, FLATTED SINGLE ACTUATOR
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Thread Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Shaft Flat/slot Angular Location: 240.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
  • Terminal Type: TAB, SOLDER LUG
  • Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-040-7544, 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 U M C Electronics Co. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-040-7544
Primary Part Number102521
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerU M C Electronics Co
StatusACTIVE
Switch Actuator Indexing Position Quantity2 SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Shaft Flat/slot Angular Location240.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
First Flat Length0.312 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Throw Quantity3 SINGLE SECTION REAR
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Individual Section Quantity1
Nonturn Device TypeTAB AT 9:00 OCLOCK
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Nonturn Device Radius0.438 INCHES NOMINAL AT 9:00 OCLOCK IN
Thread Class2A SINGLE MOUNTING FACILITY A
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Overall Diameter1.610 INCHES MAXIMUM IN
Shaft Length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Precious Material and LocationCONTACT SURFACES SILVER
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Contact Load Current Rating230.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Contact Load Current Rating1.5 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Precious MaterialSILVER
Detent Rotational Torque Range+1.500 TO 6.000 INCH-POUNDS SINGLE ACTUATOR IN
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Pole Quantity3 SINGLE SECTION REAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-019-14371025-21 INTERCHANGEABLE
Coil,electrical
Woodward Hrt, Inc. Dba Woodward Hrt Inc
6150-00-086-7236 INTERCHANGEABLE
Cable Assembly,power,electrical
5360-00-266-47892-52-1 INTERCHANGEABLE
Spring,helical,compression
Ward Leonard Ct Llc
5360-00-571-2611102-52-1 INTERCHANGEABLE
Spring,helical,compression
Ward Leonard Ct Llc
3825-00-848-1540102521 INTERCHANGEABLE
Hood Suction
Allianz Sweeper Company
5950-00-909-8821102521 INTERCHANGEABLE
Transformer,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc.
1005-00-934-2461102521 INTERCHANGEABLE
Crash Pad,hatch
Cadillac Gage Textron Inc.
3020-00-960-4120 INTERCHANGEABLE
Gear Cluster
Cross-Reference Index
Part NumberManufacturer
102521 U M C Electronics Co (USA)
D4G0303N-9543 Electro Switch Corp Div Electroswitch (USA)
PA022-4716 Crl Components Inc (USA)
Related Parts
5950-00-019-1437INTERCHANGEABLE
COIL,ELECTRICAL
1025-21
6150-00-086-7236INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
5360-00-266-4789INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2-52-1
5360-00-571-2611INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
102-52-1
3825-00-848-1540INTERCHANGEABLE
HOOD SUCTION
102521
5950-00-909-8821INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
102521
1005-00-934-2461INTERCHANGEABLE
CRASH PAD,HATCH
102521
3020-00-960-4120INTERCHANGEABLE
GEAR CLUSTER

Frequently Asked Questions

What is NSN 5930-01-040-7544?

NSN 5930-01-040-7544 is a Switch,rotary, manufactured by U M C Electronics Co, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-040-7544?

NSN 5930-01-040-7544 has 3 cross-referenced part numbers: 102521 (U M C Electronics Co), D4G0303N-9543 (Electro Switch Corp Div Electroswitch), PA022-4716 (Crl Components Inc).

What NSN replaces 5930-01-040-7544?

There are 8 known substitutes for 5930-01-040-7544: 5950-00-019-1437, 6150-00-086-7236, 5360-00-266-4789 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102521?

Key specifications for 102521: Switch Actuator Indexing Position Quantity: 2 SINGLE ACTUATOR; Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Thread Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 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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