PartsTable
Technical Data Sheet
PartsTable / MRO / 781-2
781-2 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include shape: RECTANGULAR, material: COPPER ALLOY OVERALL, thickness: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, body_style: CYLINDRICAL SERVO MOUNTED, body_width: 1.625 INCHES NOMINAL IN, leg_length: 0.500 INCHES NOMINAL FIRST END 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 3439-00-104-9890, 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→ 781-2
NSN: 3439-00-104-9890
FSC: 3439
CAGE: 65LN0 — APEX TOOL GROUP, LLC (USA)
SPECIFICATIONS
shapeRECTANGULAR
materialCOPPER ALLOY OVERALL
thickness0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
body_styleCYLINDRICAL SERVO MOUNTED
body_width1.625 INCHES NOMINAL IN
leg_length0.500 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES ALL ENDS
body_height2.125 INCHES NOMINAL IN
body_length1.800 INCHES MAXIMUM IN
head_weight1.100 POUNDS LBS
shaft_styleROUND
bearing_typeBALL SHAFT
NSN3439-00-104-9890
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 781-2 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: COMPOSITE TUBE,COPPER,STAINESLL STEEL,CERAMIC COATED,1.031 IN. OD,0.032 IN. ID,0.625,IN. LG,ONE END TAPERED IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCOMPOSITE TUBE,COPPER,STAINESLL STEEL,CERAMIC COATED,1.031 IN. OD,0.032 IN. ID,0.625,IN. LG,ONE END TAPERED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
7812Interchangeable
interchangeable cross-reference
interchangeable
FF-W-92 TY B CL AInterchangeable
interchangeable cross-reference
interchangeable
11843Interchangeable
interchangeable cross-reference
interchangeable
2469660Interchangeable
interchangeable cross-reference
interchangeable
20049-3Interchangeable
interchangeable cross-reference
interchangeable
2469780Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 781-2?
781-2 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 781-2?
There are 7 known substitutes for 781-2: 7812, FF-W-92 TY B CL A, 11843 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 781-2?
781-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3439-00-104-9890. 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