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Technical Data Sheet
PartsTable / COMPONENT / MPC-127
MPC-127 ✓ 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,TOGGLE is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNT, body_width: 0.275 INCHES MAXIMUM IN, body_length: 0.510 INCHES MAXIMUM IN, actuator_style: ROUND, bushing_length: 0.300 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-170-0517, 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
MPC-127
NSN: 5930-01-170-0517
FSC: 5930
CAGE: 81940 — HOPAX ELECTRIC INC (USA)
SPECIFICATIONS
body_styleBUSHING MOUNT
body_width0.275 INCHES MAXIMUM IN
body_length0.510 INCHES MAXIMUM IN
actuator_styleROUND
bushing_length0.300 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.395 INCHES NOMINAL IN
actuator_height0.410 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
special_featuresTERMINAL SEAL
actuator_diameter0.115 INCHES NOMINAL IN
features_providedACTUATOR SEAL
NSN5930-01-170-0517
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN MPC-127 MFR SWITCH,TOGGLE
KEY FEATURES
•
FEATURES PROVIDED: ACTUATOR SEAL
•
BUSHING LENGTH: 0.300 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 40
•
MOUNTING METHOD: THREADED BUSHING
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-83731/9 GOVERNMENT SPECIFICATION
•
MOUNTING SURFACE TO TERMINAL END DISTANCE: 0.685 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDACTUATOR SEAL
BUSHING LENGTH0.300 INCHES NOMINAL IN
THREAD QUANTITY PER INCH40
MOUNTING METHODTHREADED BUSHING
SPECIFICATION/STANDARD DATA81349-MIL-S-83731/9 GOVERNMENT SPECIFICATION
MOUNTING SURFACE TO TERMINAL END DISTANCE0.685 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.250 INCHES IN
NONPILE-UP CONTACT ARRANGEMENT1 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT
SPECIAL FEATURESTERMINAL SEAL
TERMINAL TYPE AND QUANTITY3 PRINTED CIRCUIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
MIL-S-83731/7Interchangeable
interchangeable cross-reference
interchangeable
M83731/7C21Interchangeable
interchangeable cross-reference
interchangeable
M83731/7-211Interchangeable
interchangeable cross-reference
interchangeable
722305-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-83731/9Interchangeable
interchangeable cross-reference
interchangeable
M83731/7-262Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MPC-127?
MPC-127 is a SWITCH,TOGGLE.
What parts can replace MPC-127?
There are 28 known substitutes for MPC-127: MIL-S-83731/7, M83731/7C21, M83731/7-211 and 25 more. Substitute compatibility should be verified for your specific system.
Is MPC-127 still available?
MPC-127 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026