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Technical Data Sheet
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78299 — Technical Data Sheet

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— · 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include overall_width: 7.438 INCHES NOMINAL IN, operation_method: HYDRAULIC, overall_diameter: 7.797 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3040-00-169-5045, 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
78299
NSN: 3040-00-169-5045
FSC: 3040
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
overall_width7.438 INCHES NOMINAL IN
operation_methodHYDRAULIC
overall_diameter7.797 INCHES NOMINAL IN
NSN3040-00-169-5045
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 78299 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
MATERIAL: STEEL
•
FIRST END DIAMETER: 0.1870 INCHES NOMINAL IN
•
END SIMILARITY: NOT IDENTICAL
•
SECOND END GROOVE DIAMETER: 0.1760 INCHES NOMINAL IN
•
SECOND END DISTANCE FROM END TO GROOVE: 0.129 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
SECOND END DIAMETER: 0.1870 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIALSTEEL
OVERALL LENGTH7.125 INCHES NOMINAL IN
FIRST END DIAMETER0.1870 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END GROOVE DIAMETER0.1760 INCHES NOMINAL IN
SECOND END DISTANCE FROM END TO GROOVE0.129 INCHES NOMINAL IN
FIRST END STYLEPLAIN
SECOND END DIAMETER0.1870 INCHES NOMINAL IN
SECOND END STYLECIRCULAR GROOVED
SECOND END GROOVE WIDTH0.0190 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1921758InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
27848-000-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
37325InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
37325VInterchangeableGOVERNMENT REGISTRY
Resistor,variable,wire Wound,non
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78299?
78299 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 78299?
There are 4 known substitutes for 78299: 1921758, 27848-000-00, 37325 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78299?
78299 is cataloged in the Federal Logistics Information System under NSN 3040-00-169-5045. 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: September 2026