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T56931 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include body_width: 2.063 INCHES NOMINAL IN, body_height: 2.500 INCHES NOMINAL IN, body_length: 2.313 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 2.813 INCHES NOMINAL IN, mounting_method: THREADED STUD(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-328-1991, 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
T56931
NSN: 5950-00-328-1991
FSC: 5950
CAGE: 96256 — THORDARSON INC (USA)
SPECIFICATIONS
body_width2.063 INCHES NOMINAL IN
body_height2.500 INCHES NOMINAL IN
body_length2.313 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height2.813 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
NSN5950-00-328-1991
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TELETYPEWRITER SUBASSEMBLY TITLE COMPONENT PN T56931 MFR TELETYPEWRITER SUBASSE
KEY FEATURES
•
BODY HEIGHT: 2.500 INCHES NOMINAL IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY LENGTH: 2.313 INCHES NOMINAL IN
•
WINDING OPERATING CURRENT: 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
•
WINDING OPERATING VOLTAGE: 26.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT2.500 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
BODY LENGTH2.313 INCHES NOMINAL IN
WINDING OPERATING CURRENT2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
WINDING OPERATING CURRENT500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
WINDING OPERATING VOLTAGE26.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
10370Interchangeable
interchangeable cross-reference
interchangeable
55015AInterchangeable
interchangeable cross-reference
interchangeable
SM-B-171626Interchangeable
interchangeable cross-reference
interchangeable
4425PInterchangeable
interchangeable cross-reference
interchangeable
AD14S47-20PC71Interchangeable
interchangeable cross-reference
interchangeable
AD14S47-19PC71Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T56931?
T56931 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace T56931?
There are 13 known substitutes for T56931: 10370, 55015A, SM-B-171626 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T56931?
T56931 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-328-1991. 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.
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Last verified: July 2026