988647 — SYNCHRO,DIFFERENTIAL TRANSMITTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

988647: SYNCHRO,DIFFERENTIAL TRANSMITTER.

SYNCHRO,DIFFERENTIAL TRANSMITTER. Key specifications include body_size: 18, shaft_type: SPLINE W/THREADS SINGLE SHAFT, shaft_length: 0.5000 INCHES NOMINAL SINGLE SHAFT IN, overall_length: 2.7100 INCHES NOMINAL IN, shaft_diameter: 0.1872 INCHES NOMINAL SINGLE SHAFT IN, frequency_in_hertz: 400.0 NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5990-00-644-0106, 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

988647

NSN: 5990-00-644-0106
FSC: 5990 — Synchros and Resolvers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

body_size	18
shaft_type	SPLINE W/THREADS SINGLE SHAFT
shaft_length	0.5000 INCHES NOMINAL SINGLE SHAFT IN
overall_length	2.7100 INCHES NOMINAL IN
shaft_diameter	0.1872 INCHES NOMINAL SINGLE SHAFT IN
frequency_in_hertz	400.0 NOMINAL
shaft_thread_class	2A SINGLE SHAFT A
shaft_thread_length	0.2000 INCHES NOMINAL SINGLE SHAFT IN
transformation_ratio	1.154 ROTOR TO STATOR NOMINAL
spline_tooth_quantity	21 SINGLE SHAFT
shaft_thread_direction	RIGHT-HAND SINGLE SHAFT
shaft_nominal_thread_size	0.1900 INCHES SINGLE SHAFT IN
NSN	5990-00-644-0106

COMPONENT DIAGRAM

KEY FEATURES

•

BODY SIZE: 18

•

SHAFT TYPE: SPLINE W/THREADS SINGLE SHAFT

•

SHAFT DIAMETER: 0.1872 INCHES NOMINAL SINGLE SHAFT IN

•

STATOR INPUT CURRENT RATING: 143.0 MILLIAMPERES NOMINAL

•

SPLINE TOOTH QUANTITY: 21 SINGLE SHAFT

•

SHAFT THREAD LENGTH: 0.2000 INCHES NOMINAL SINGLE SHAFT IN

•

FREQUENCY IN HERTZ: 400.0 NOMINAL

TECHNICAL CHARACTERISTICS

BODY SIZE	18
SHAFT TYPE	SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER	0.1872 INCHES NOMINAL SINGLE SHAFT IN
STATOR INPUT CURRENT RATING	143.0 MILLIAMPERES NOMINAL
SPLINE TOOTH QUANTITY	21 SINGLE SHAFT
SHAFT THREAD LENGTH	0.2000 INCHES NOMINAL SINGLE SHAFT IN
OVERALL LENGTH	2.7100 INCHES NOMINAL IN
FREQUENCY IN HERTZ	400.0 NOMINAL
STATOR INPUT ELECTRICAL POWER RATING	1.7 WATTS NOMINAL
SHAFT LENGTH	0.5000 INCHES NOMINAL SINGLE SHAFT IN

OTHER ITEMS IN FSC 5990 — Synchros and Resolvers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5990-00-001-1764 5990-00-001-1765 5990-00-001-1766 5990-00-001-4570 5990-00-001-5956 5990-00-001-7588 5990-00-003-0177 5990-00-003-0569

SUBSTITUTES & CROSS-REFERENCES 3

LD266567Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MILS16892TYPE18CDX4AMK34M0D1Reference document

Same NSN cross-reference

Reference document — Identification reference

988646Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 988647?

988647 is a SYNCHRO,DIFFERENTIAL TRANSMITTER.

What parts can replace 988647?

There are 3 known substitutes for 988647: LD266567, MILS16892TYPE18CDX4AMK34M0D1, 988646. Substitute compatibility should be verified for your specific system.

What is the NSN for 988647?

988647 is cataloged in the U.S. Government catalog under NSN 5990-00-644-0106. This indicates validated use in U.S. government and defense supply chains.

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988647 — SYNCHRO,DIFFERENTIAL TRANSMITTER

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