121F2C — SYNCHRO,TRANSMITTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

121F2C: SYNCHRO,TRANSMITTER.

The SYNCHRO,TRANSMITTER is a the manufacturer industrial component. Key specifications include length: 0.3750 INCHES NOMINAL SHOULDER IN, body_size: 31, body_style: STANDARD ROUND B, shaft_type: SPLINE W/THREADS SINGLE SHAFT, pilot_length: 0.6750 INCHES NOMINAL IN, shaft_length: 0.8000 INCHES NOMINAL SINGLE SHAFT IN. This part is cataloged in the U.S.

Government catalog under NSN 5990-00-501-2014, 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

121F2C

NSN: 5990-00-501-2014
FSC: 5990 — Synchros and Resolvers
CAGE: 95542 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

length	0.3750 INCHES NOMINAL SHOULDER IN
body_size	31
body_style	STANDARD ROUND B
shaft_type	SPLINE W/THREADS SINGLE SHAFT
pilot_length	0.6750 INCHES NOMINAL IN
shaft_length	0.8000 INCHES NOMINAL SINGLE SHAFT IN
body_material	STEEL CORROSION RESISTING
overall_length	5.7300 INCHES NOMINAL IN
pilot_diameter	2.7000 INCHES NOMINAL IN
shaft_diameter	0.2500 INCHES NOMINAL SINGLE SHAFT IN
undercut_width	0.2500 INCHES NOMINAL IN
flange_diameter	3.1000 INCHES NOMINAL IN
NSN	5990-00-501-2014

COMPONENT DIAGRAM

KEY FEATURES

•

BODY SIZE: 31

•

SHAFT TYPE: SPLINE W/THREADS SINGLE SHAFT

•

FLANGE DIAMETER: 3.1000 INCHES NOMINAL IN

•

ZSS IMPEDANCE MAGNITUDE IN OHMS: 5.90 MAXIMUM

•

UNDERCUT WIDTH: 0.2500 INCHES NOMINAL IN

•

SHAFT DIAMETER: 0.2500 INCHES NOMINAL SINGLE SHAFT IN

•

LENGTH: 0.3750 INCHES NOMINAL SHOULDER IN

•

BODY STYLE: STANDARD ROUND B

TECHNICAL CHARACTERISTICS

BODY SIZE	31
SHAFT TYPE	SPLINE W/THREADS SINGLE SHAFT
FLANGE DIAMETER	3.1000 INCHES NOMINAL IN
ZSS IMPEDANCE MAGNITUDE IN OHMS	5.90 MAXIMUM
UNDERCUT WIDTH	0.2500 INCHES NOMINAL IN
SHAFT DIAMETER	0.2500 INCHES NOMINAL SINGLE SHAFT IN
LENGTH	0.3750 INCHES NOMINAL SHOULDER IN
BODY STYLE	STANDARD ROUND B
FLANGE THICKNESS	0.2500 INCHES NOMINAL IN
TORQUE GRADIENT PER ANGULAR DEG	0.670 INCH-OUNCES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

1349001Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

31TX4CSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MILS16892TYPE31TX4CReference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 121F2C?

121F2C is a SYNCHRO,TRANSMITTER.

What parts can replace 121F2C?

There are 3 known substitutes for 121F2C: 1349001, 31TX4C, MILS16892TYPE31TX4C. Substitute compatibility should be verified for your specific system.

What is the NSN for 121F2C?

121F2C is cataloged in the U.S. Government catalog under NSN 5990-00-501-2014. This indicates validated use in U.S. government and defense supply chains.

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121F2C — SYNCHRO,TRANSMITTER

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