PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MA257B
MA257B ✓ Verified by PartsTable
— · COMPONENT
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, FLATTED SINGLE ACTUATOR, flat_height: 0.219 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 1.188 INCHES NOMINAL SINGLE ACTUATOR IN, pole_quantity: 3 SINGLE SECTION FRONT, terminal_type: TAB, SOLDER LUG, thread_length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-799-3613, 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
MA257B
NSN: 5930-00-799-3613
FSC: 5930
CAGE: 50423 — BALLANTINE LABORATORIES INC (USA)
SPECIFICATIONS
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.219 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length1.188 INCHES NOMINAL SINGLE ACTUATOR IN
pole_quantity3 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_quantity2 SINGLE SECTION FRONT
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
first_flat_length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
contact_switching_actionMAKES BEFORE BREAKS SINGLE SECTION FRONT
NSN5930-00-799-3613
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN MA257B MFR SWITCH,ROTARY
KEY FEATURES
•
FIRST FLAT LENGTH: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN
•
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 2 SINGLE ACTUATOR
•
CONTACT SWITCHING ACTION: MAKES BEFORE BREAKS SINGLE SECTION FRONT
•
NOMINAL THREAD SIZE: 0.375 INCHES SINGLE MOUNTING FACILITY IN
•
FLAT HEIGHT: 0.219 INCHES NOMINAL SINGLE ACTUATOR IN
•
INDIVIDUAL SECTION QUANTITY: 1
•
THREAD LENGTH: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
SWITCH ACTUATOR POSITIONING INCREMENT: 30.0 DEGREES SINGLE ACTUATOR
TECHNICAL CHARACTERISTICS (FLIS)
FIRST FLAT LENGTH0.375 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH ACTUATOR INDEXING POSITION QUANTITY2 SINGLE ACTUATOR
CONTACT SWITCHING ACTIONMAKES BEFORE BREAKS SINGLE SECTION FRONT
NOMINAL THREAD SIZE0.375 INCHES SINGLE MOUNTING FACILITY IN
FLAT HEIGHT0.219 INCHES NOMINAL SINGLE ACTUATOR IN
INDIVIDUAL SECTION QUANTITY1
THREAD LENGTH0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SWITCH ACTUATOR POSITIONING INCREMENT30.0 DEGREES SINGLE ACTUATOR
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
3233Interchangeable
interchangeable cross-reference
interchangeable
7412520Interchangeable
interchangeable cross-reference
interchangeable
231105Interchangeable
interchangeable cross-reference
interchangeable
3133Interchangeable
interchangeable cross-reference
interchangeable
ASO-162-1Interchangeable
interchangeable cross-reference
interchangeable
B119140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy MA257B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MA257B?
MA257B is a SWITCH,ROTARY.
What parts can replace MA257B?
There are 13 known substitutes for MA257B: 3233, 7412520, 231105 and 10 more. Substitute compatibility should be verified for your specific system.
Is MA257B still available?
MA257B is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MA257B

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026