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Technical Data Sheet
PartsTable / MRO / 1277409
1277409 ✓ 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,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_length: 0.810 INCHES MAXIMUM IN, shaft_style: ROUND, bearing_type: BALL SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN, shaft_length: 0.500 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 5905-00-655-3866, 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→ 1277409
NSN: 5905-00-655-3866
FSC: 5905
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_length0.810 INCHES MAXIMUM IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.500 INCHES NOMINAL IN
shaft_runout0.0015 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
lateral_runout0.003 INCHES IN
pilot_diameter0.7500 INCHES NOMINAL IN
shaft_diameter0.1245 INCHES MINIMUM AND 0.1348 INCHES MAXIMUM IN
NSN5905-00-655-3866
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 1277409 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
UNDERCUT WIDTH: 0.0620 INCHES NOMINAL IN
•
BODY STYLE: CYLINDRICAL SERVO MOUNTED
•
LATERAL RUNOUT: 0.003 INCHES IN
•
SHAFT END PLAY: 0.00500 INCHES IN
•
MAXIMUM RUNNING TORQUE: 0.065 INCH-OUNCES IN
•
PILOT DIAMETER RUNOUT: 0.00200 INCHES IN
•
SHAFT RADIAL PLAY: 0.0025 INCHES IN
•
ACTUATOR TYPE: SINGLE SHAFT
TECHNICAL CHARACTERISTICS (FLIS)
UNDERCUT WIDTH0.0620 INCHES NOMINAL IN
BODY STYLECYLINDRICAL SERVO MOUNTED
LATERAL RUNOUT0.003 INCHES IN
SHAFT END PLAY0.00500 INCHES IN
MAXIMUM RUNNING TORQUE0.065 INCH-OUNCES IN
PILOT DIAMETER RUNOUT0.00200 INCHES IN
SHAFT RADIAL PLAY0.0025 INCHES IN
ACTUATOR TYPESINGLE SHAFT
SHAFT RUNOUT0.0015 INCHES IN
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION354.0 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
191E3023Interchangeable
interchangeable cross-reference
interchangeable
205MFInterchangeable
interchangeable cross-reference
interchangeable
1567Interchangeable
interchangeable cross-reference
interchangeable
1277409Interchangeable
interchangeable cross-reference
interchangeable
7707252Interchangeable
interchangeable cross-reference
interchangeable
67-139REVAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1277409?
1277409 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1277409?
There are 7 known substitutes for 1277409: 191E3023, 205MF, 1567 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1277409?
1277409 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-655-3866. 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