31643 — GEAR ASSEMBLY,SPIRAL

✓ Government record, cited

Lindy · MRO · MRO_GENERAL

PRODUCT OVERVIEW

31643: GEAR ASSEMBLY,SPIRAL.

The GEAR ASSEMBLY,SPIRAL is a Lindy industrial component. Key specifications include material: STEEL, shaft_type: ROUND, FLATTED SINGLE ACTUATOR, flat_height: 0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM SINGLE ACTUATOR IN, shaft_length: 0.438 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.938 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2825-00-036-3409, 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→ 31643

NSN: 2825-00-036-3409
NIINs: 000363409, 005628014, 006187086, 008884974, 013135017
FSC: 2825 — Steam Turbines and Components
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)

SPECIFICATIONS

material	STEEL
shaft_type	ROUND, FLATTED SINGLE ACTUATOR
flat_height	0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM SINGLE ACTUATOR IN
shaft_length	0.438 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class	2A SINGLE MOUNTING FACILITY A
overall_width	1.938 INCHES NOMINAL IN
terminal_type	TAB, SOLDER LUG
overall_height	1.562 INCHES NOMINAL IN
overall_length	1.188 INCHES NOMINAL IN
shaft_diameter	0.250 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_method	THREADED BUSHING SINGLE MOUNTING FACILITY
special_features	C/BORE FEATURE-NOT INCL.;GROOVED FACE-NOT PROVIDED;ANTISTATIC SPRING-NOT INCL.;SURFACE TREAT.-CADMIUM PLATED;END TO FLANGE DISTANCE 0.313 IN.;TONGUE DIA 1.813 IN. IN
NSN	2825-00-036-3409

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

END ITEM IDENTIFICATION

STEAM TURBINE,SHIPS PROPULSION SYSTEM

SUBSTITUTES & CROSS-REFERENCES 1

E2896PC83-84Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 31643?

31643 is a GEAR ASSEMBLY,SPIRAL manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).

What parts can replace 31643?

There is 1 known substitute for 31643: E2896PC83-84. Substitute compatibility should be verified for your specific system.

What is the NSN for 31643?

31643 is cataloged in the U.S. Government catalog under NSN 2825-00-036-3409. This indicates validated use in U.S. government and defense supply chains.

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