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1240-81 — SYNCHRO,TRANSMITTER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1240-81: SYNCHRO,TRANSMITTER.

The SYNCHRO,TRANSMITTER is a the manufacturer industrial component. Key specifications include body_style: STANDARD ROUND A, shaft_type: ROUND SINGLE SHAFT, pilot_length: 0.0430 INCHES NOMINAL IN, shaft_length: 0.1750 INCHES NOMINAL SINGLE SHAFT IN, overall_length: 1.4580 INCHES MAXIMUM IN, pilot_diameter: 0.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5990-00-063-6395, 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
1240-81
NSN: 5990-00-063-6395
NIINs: 000636395, 009409726, 016070573
FSC: 5990 — Synchros and Resolvers
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
body_size8
body_styleSTANDARD ROUND A
shaft_typeROUND SINGLE SHAFT
pilot_length0.0430 INCHES NOMINAL IN
shaft_length0.1750 INCHES NOMINAL SINGLE SHAFT IN
overall_length1.4580 INCHES MAXIMUM IN
pilot_diameter0.5000 INCHES NOMINAL IN
shaft_diameter0.9000 INCHES NOMINAL SINGLE SHAFT IN
shaft_end_play0.0010 INCHES NOMINAL IN
undercut_width0.0620 INCHES NOMINAL IN
flange_diameter0.7500 INCHES NOMINAL IN
flange_thickness0.0620 INCHES NOMINAL IN
NSN5990-00-063-6395
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SYNCHRO,TRANSMITTER TITLE COMPONENT PN 1240-81 MFR SYNCHRO,TRANSMITTER
KEY FEATURES
•
BODY SIZE: 8
•
SHAFT TYPE: ROUND SINGLE SHAFT
•
FLANGE DIAMETER: 0.7500 INCHES NOMINAL IN
•
UNDERCUT WIDTH: 0.0620 INCHES NOMINAL IN
•
SHAFT DIAMETER: 0.9000 INCHES NOMINAL SINGLE SHAFT IN
•
ROTOR DC RESISTANCE IN OHMS: 40.00 NOMINAL
•
UNDERCUT DIAMETER: 0.6870 INCHES NOMINAL IN
•
BODY STYLE: STANDARD ROUND A
TECHNICAL CHARACTERISTICS
BODY SIZE8
SHAFT TYPEROUND SINGLE SHAFT
FLANGE DIAMETER0.7500 INCHES NOMINAL IN
UNDERCUT WIDTH0.0620 INCHES NOMINAL IN
SHAFT DIAMETER0.9000 INCHES NOMINAL SINGLE SHAFT IN
ROTOR DC RESISTANCE IN OHMS40.00 NOMINAL
UNDERCUT DIAMETER0.6870 INCHES NOMINAL IN
BODY STYLESTANDARD ROUND A
FLANGE THICKNESS0.0620 INCHES NOMINAL IN
SHAFT MAXIMUM RUNOUT0.0010 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
U206682Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1240-81?
1240-81 is a SYNCHRO,TRANSMITTER.
What parts can replace 1240-81?
There is 1 known substitute for 1240-81: U206682. Substitute compatibility should be verified for your specific system.
What is the NSN for 1240-81?
1240-81 is cataloged in the U.S. Government catalog under NSN 5990-00-063-6395. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.