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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
GEAR CLUSTER

Definition:

A CYLINDRICAL ITEM HAVING A FULL 360 DEGREE (6.282 RADIANS) COMPLEMENT OF TEETH ON TWO OR MORE SURFACES. IT MAY BE A ONE-PIECE CASTING OR COMPOSED OF TWO OR MORE SEPARATE ITEMS FIRMLY HELD TOGETHER BY WELDING, RIVETS, PINS, OR THE LIKE, TO FORM A SINGLE UNIT. IT IS DESIGNED TO MOUNT ON A SHAFT. FOR ITEMS CONSISTING OF A SHAFT WITH AN INTEGRAL COMPLEMENT(S) OR GEAR TEETH, SEE GEARSHAFT (AS MODIFIED). EXCLUDES GEAR SUBASSEMBLY, SPEED DECREASER.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
7438-2149 11871 A 3 2 2 SU

CAGE Information

Code Company
11871 RECON/OPTICAL INC.

Federal Supply Class

Title

GEARS, PULLEYS, SPROCKETS, AND T

Inclusions:

INCLUDES POWER TRANSMISSION CHAIN; MATCHED GEAR SETS.

Exclusions:

EXCLUDES REDUCTION GEARS (FSC 3010).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CWQN HUB NOMINAL LENGTH 0.491 INCHES BETWEEN FIRST AND SECOND GEAR
CWTR HUB STYLE DESIGNATOR 1 STEP BETWEEN FIRST AND SECOND GEAR
CWFR NOMINAL OVERALL LENGTH 0.689 INCHES
MATT MATERIAL ALUMINUM ALLOY 2024 FIRST GEAR
SFTT SURFACE TREATMENT PASSIVATE SHAFT/HUB
CWTR HUB STYLE DESIGNATOR PLAIN BOTH ENDS
APGF DESIGN TYPE SPUR SECOND GEAR
CQCF CONSTRUCTION ASSEMBLED
ANTP BORE STYLE W/COUNTERBORE BOTH ENDS
MATT MATERIAL STEEL COMP 303 SHAFT/HUB
CWTB COUNTERBORE NOMINAL DEPTH 0.056 INCHES BOTH ENDS
CWTX HUB NOMINAL DIAMETER 0.500 INCHES BETWEEN FIRST AND SECOND GEAR
SFTT SURFACE TREATMENT ANODIZE FIRST GEAR
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
CWCD NOMINAL OUTSIDE DIAMETER 1.0080 INCHES FIRST GEAR
CWTX HUB NOMINAL DIAMETER 0.406 INCHES SECOND END
APGF DESIGN TYPE BEVEL FIRST GEAR
CWTX HUB NOMINAL DIAMETER 0.500 INCHES FIRST END
CWCD NOMINAL OUTSIDE DIAMETER 0.500 INCHES SECOND GEAR
CWTG COUNTERBORE NOMINAL DIAMETER 0.3280 INCHES BOTH ENDS
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATT MATERIAL STEEL COMP 303 SECOND GEAR
SFTT SURFACE TREATMENT PASSIVATE SECOND GEAR

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