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Technical Data Sheet
M443B ✓ 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 JACK,TELEPHONE is a the manufacturer industrial component. Key specifications include body_style: THREADED BUSHING MOUNTED LONG FRAME, body_width: 0.562 INCHES NOMINAL IN, thread_class: 2A A, terminal_type: TAB, SOLDER LUG, overall_height: 1.125 INCHES NOMINAL IN, overall_length: 3.172 INCHES NOMINAL 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 5935-00-234-2096, 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
M443B
NSN: 5935-00-234-2096
FSC: 5935
CAGE: 82389 — SWITCHCRAFT INC. (USA)
SPECIFICATIONS
body_styleTHREADED BUSHING MOUNTED LONG FRAME
body_width0.562 INCHES NOMINAL IN
thread_class2A A
terminal_typeTAB, SOLDER LUG
overall_height1.125 INCHES NOMINAL IN
overall_length3.172 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentTIN TERMINAL
nominal_thread_size0.375 INCHES IN
mounting_hole_diameter0.156 INCHES NOMINAL IN
mounting_bushing_length0.375 INCHES NOMINAL IN
accommodated_finger_typeTWO CONDUCTOR, ROUND TIP SINGLE FINGER
NSN5935-00-234-2096
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available JACK,TELEPHONE TITLE COMPONENT PN M443B MFR JACK,TELEPHONE
KEY FEATURES
SPECIFICATION/STANDARD DATA: 81349-MIL-J-641 GOVERNMENT SPECIFICATION
THREAD CLASS: 2A A
ACCOMMODATED FINGER TYPE: TWO CONDUCTOR, ROUND TIP SINGLE FINGER
TERMINAL TYPE: TAB, SOLDER LUG
BUSHING ACCOMMODATION HOLE SHAPE: ROUND
BUSHING THRU-HOLE ACCOMMODATION DIAMETER: 0.375 INCHES NOMINAL IN
FINGER ACCOMMODATION LENGTH: 1.015 INCHES NOMINAL SINGLE FINGER IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-J-641 GOVERNMENT SPECIFICATION
THREAD CLASS2A A
ACCOMMODATED FINGER TYPETWO CONDUCTOR, ROUND TIP SINGLE FINGER
OVERALL LENGTH3.172 INCHES NOMINAL IN
TERMINAL TYPETAB, SOLDER LUG
BUSHING ACCOMMODATION HOLE SHAPEROUND
BUSHING THRU-HOLE ACCOMMODATION DIAMETER0.375 INCHES NOMINAL IN
FINGER ACCOMMODATION LENGTH1.015 INCHES NOMINAL SINGLE FINGER IN
MOUNTING FACILITY TYPE AND QUANTITY1 BUSHING AND 1 UNTHREADED HOLE(S)
THREAD SERIES DESIGNATORUNEF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MIL-DTL-641/9Interchangeable
interchangeable cross-reference
interchangeable
M641/9-1Interchangeable
interchangeable cross-reference
interchangeable
MILJ641-9Interchangeable
interchangeable cross-reference
interchangeable
MIL-J-641/9Interchangeable
interchangeable cross-reference
interchangeable
8000-0400-001Interchangeable
interchangeable cross-reference
interchangeable
JJ082Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M443B?
M443B is a JACK,TELEPHONE.
What parts can replace M443B?
There are 10 known substitutes for M443B: MIL-DTL-641/9, M641/9-1, MILJ641-9 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M443B?
M443B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-234-2096. This indicates validated use in U.S. government and defense supply chains.
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