PartsTable
Technical Data Sheet
PartsTable / MRO / 31181
31181 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

INTERFACE UNIT,COMMUNICATION EQU. Key specifications include material: STEEL CASE, thickness: 0.500 INCHES NOMINAL IN, case_style: SQUARE, head_style: FLAT CHAMFER, seal_width: 0.359 INCHES NOMINAL IN, head_height: 0.062 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 5136-00-189-3217, 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
MRO→ MRO_GENERAL→ 31181
NSN: 5136-00-189-3217
FSC: 5136
CAGE: 067J8 — MORSE CUTTING TOOLS (USA)
SPECIFICATIONS
materialSTEEL CASE
thickness0.500 INCHES NOMINAL IN
case_styleSQUARE
head_styleFLAT CHAMFER
seal_width0.359 INCHES NOMINAL IN
head_height0.062 INCHES NOMINAL IN
temp_rating-65.0 CELSIUS AND 225.0 CELSIUS DEGC
thread_class2A A
head_diameter0.250 INCHES NOMINAL IN
overall_width0.312 INCHES IN
thread_length0.188 INCHES NOMINAL IN
overall_length0.594 INCHES IN
NSN5136-00-189-3217
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INTERFACE UNIT,COMMUNICATION EQU TITLE COMPONENT PN 31181 MFR INTERFACE UNIT,COMMUNI
KEY FEATURES
•
THICKNESS: 0.500 INCHES NOMINAL IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.375-16 UNIFIED NATIONAL COARSE (UNC)
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND SPLIT W/INTERNAL ADJUSTING SCREW
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.500 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.375-16 UNIFIED NATIONAL COARSE (UNC)
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
STYLE DESIGNATORROUND SPLIT W/INTERNAL ADJUSTING SCREW
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
STYLE DESIGNATORROUND SPLIT W/INTERNAL ADJUSTING SCREW
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.375-16 UNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
23220Interchangeable
interchangeable cross-reference
interchangeable
10512410Interchangeable
interchangeable cross-reference
interchangeable
4034Interchangeable
interchangeable cross-reference
interchangeable
A-A-59214-1C9Interchangeable
interchangeable cross-reference
interchangeable
A-A-59214Interchangeable
interchangeable cross-reference
interchangeable
54151-3-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31181?
31181 is a INTERFACE UNIT,COMMUNICATION EQU. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31181?
There are 21 known substitutes for 31181: 23220, 10512410, 4034 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31181?
31181 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-189-3217. 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