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Technical Data Sheet
PartsTable / COMPONENT / MD4M
MD4M ✓ 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

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include phase: THREE OUTPUT, duty_cycle: CONTINUOUS, temp_rating: 50.0 AMBIENT CELSIUS, current_type: DC OUTPUT, overall_width: 40.500 INCHES IN, overall_height: 42.500 INCHES 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 6125-00-691-1708, 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
MD4M
NSN: 6125-00-691-1708
FSC: 6125
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
phaseTHREE OUTPUT
duty_cycleCONTINUOUS
temp_rating50.0 AMBIENT CELSIUS
current_typeDC OUTPUT
overall_width40.500 INCHES IN
overall_height42.500 INCHES IN
overall_length68.500 INCHES IN
mounting_methodADJUSTABLE BASE
enclosure_featureDRIPPROOF-15 DEG
features_providedHORIZONTAL MOUNTING POSITION
frequency_in_hertz60.0 INPUT
rotor_speed_rating_in_rpm1200.0 SINGLE FULL LOAD
NSN6125-00-691-1708
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN MD4M MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
FEATURES PROVIDED: HORIZONTAL MOUNTING POSITION
•
CURRENT TYPE: AC INPUT
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
DUTY CYCLE: CONTINUOUS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH40.500 INCHES IN
OVERALL HEIGHT42.500 INCHES IN
FEATURES PROVIDEDHORIZONTAL MOUNTING POSITION
CURRENT TYPEAC INPUT
FREQUENCY IN HERTZ60.0 INPUT
FREQUENCY IN HERTZ400.0 OUTPUT
DUTY CYCLECONTINUOUS
CURRENT TYPEDC OUTPUT
PHASETHREE INPUT
PHASETHREE OUTPUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
22144Interchangeable
interchangeable cross-reference
interchangeable
110B978G02Interchangeable
interchangeable cross-reference
interchangeable
MJ22144Interchangeable
interchangeable cross-reference
interchangeable
22143Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MD4M?
MD4M is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace MD4M?
There are 4 known substitutes for MD4M: 22144, 110B978G02, MJ22144 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MD4M?
MD4M is cataloged in the Federal Logistics Information System (FLIS) under NSN 6125-00-691-1708. 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