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Technical Data Sheet
PartsTable / COMPONENT / 81439
81439 ✓ Verified by PartsTable
Jumbo · 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

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This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-118-3342, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
81439
NSN: 3020-00-118-3342
FSC: 3020
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationBRADEN WINCH MODEL CH12.5 OR CH10
NSN3020-00-118-3342
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Jumbo BAR,T,TELETYPEWRITER TITLE COMPONENT PN 81439 MFR Jumbo BAR,T,TELETYPEWRITER
KEY FEATURES
•
CONSTRUCTION: SOLID
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HUB STYLE DESIGNATOR: 1 STEP FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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NOMINAL OVERALL LENGTH: 3.2500 INCHES IN
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NOMINAL OUTSIDE DIAMETER: 5.184 INCHES SECOND GEAR IN
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HUB NOMINAL DIAMETER: 0.748 INCHES SECOND END IN
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DESIGN TYPE: SPUR SECOND GEAR
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MATERIAL: STEEL COMP E9310 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONSTRUCTIONSOLID
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH3.2500 INCHES IN
NOMINAL OUTSIDE DIAMETER5.184 INCHES SECOND GEAR IN
HUB NOMINAL DIAMETER0.748 INCHES SECOND END IN
DESIGN TYPESPUR SECOND GEAR
MATERIALSTEEL COMP E9310 OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
BORE STYLEPLAIN BOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
50074Interchangeable
interchangeable cross-reference
interchangeable
69657Interchangeable
interchangeable cross-reference
interchangeable
50622Interchangeable
interchangeable cross-reference
interchangeable
460-872Interchangeable
interchangeable cross-reference
interchangeable
81439-1Interchangeable
interchangeable cross-reference
interchangeable
81439Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81439?
81439 is a BAR,T,TELETYPEWRITER manufactured by Jumbo.
What parts can replace 81439?
There are 8 known substitutes for 81439: 50074, 69657, 50622 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81439?
81439 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-118-3342. 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