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Technical Data Sheet
PartsTable / MRO / 12581-51
12581-51 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 0.938 INCHES NOMINAL SINGLE ACTUATOR IN, pole_quantity: 1 SINGLE SECTION FRONT, terminal_type: TAB, SOLDER LUG, thread_length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN, shaft_diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-982-6841, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 12581-51
NSN: 5930-00-982-6841
FSC: 5930
CAGE: 58880 — MEGGITT (NEW HAMPSHIRE), INC (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.938 INCHES NOMINAL SINGLE ACTUATOR IN
pole_quantity1 SINGLE SECTION FRONT
terminal_typeTAB, SOLDER LUG
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity9 SINGLE SECTION FRONT
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
contact_switching_actionBREAKS BEFORE MAKES SINGLE SECTION FRONT
thread_series_designatorUNEF SINGLE MOUNTING FACILITY
individual_section_quantity1
NSN5930-00-982-6841
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 12581-51 MFR SWITCH,ROTARY
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNEF SINGLE MOUNTING FACILITY
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
•
SWITCH ACTUATOR POSITIONING INCREMENT: 22.5 DEGREES SINGLE ACTUATOR
•
NOMINAL THREAD SIZE: 0.375 INCHES SINGLE MOUNTING FACILITY IN
•
THROW QUANTITY: 9 SINGLE SECTION FRONT
•
TERMINAL TYPE: TAB, SOLDER LUG
•
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 9 SINGLE ACTUATOR
•
MOUNTING METHOD: THREADED BUSHING SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNEF SINGLE MOUNTING FACILITY
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH ACTUATOR POSITIONING INCREMENT22.5 DEGREES SINGLE ACTUATOR
NOMINAL THREAD SIZE0.375 INCHES SINGLE MOUNTING FACILITY IN
THROW QUANTITY9 SINGLE SECTION FRONT
TERMINAL TYPETAB, SOLDER LUG
SWITCH ACTUATOR INDEXING POSITION QUANTITY9 SINGLE ACTUATOR
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
THREAD LENGTH0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
94-75Interchangeable
interchangeable cross-reference
interchangeable
H90983Interchangeable
interchangeable cross-reference
interchangeable
BM1259Interchangeable
interchangeable cross-reference
interchangeable
3-20079Interchangeable
interchangeable cross-reference
interchangeable
18045Interchangeable
interchangeable cross-reference
interchangeable
7905500-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12581-51?
12581-51 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 12581-51?
There are 6 known substitutes for 12581-51: 94-75, H90983, BM1259 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12581-51?
12581-51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-982-6841. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026