3020-00-868-2274 GEAR CLUSTER Index 3020-00-868-2276 GEAR CLUSTER

National Stock Number:
3020-00-868-2275

Federal Supply Class:
3020

National Item Identification Number:
008682275

Description:
GEAR CLUSTER

Detail:
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.


Manufacturer Information:
BYLH554-3405624GE AVIATION SYSTEMS LLC


Techincal Specification:
BORE NOMINAL DIAMETER0.096 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CONSTRUCTIONASSEMBLED
DESIGN TYPESPUR FIRST GEAR
DESIGN TYPESPUR SECOND GEAR
HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM HUB
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER0.164 INCHES FIRST END
HUB NOMINAL LENGTH0.016 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION05624 MFR REF SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION05624 MFR REF SINGLE MATERIAL RESPONSE SHAFT/HUB
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIALSTEEL COMP 1050 FIRST GEAR
MATERIALSTEEL SECOND GEAR
MATERIALSTEEL SHAFT/HUB
NOMINAL OUTSIDE DIAMETER0.281 INCHES SECOND GEAR
NOMINAL OUTSIDE DIAMETER0.5468 INCHES FIRST GEAR
NOMINAL OVERALL LENGTH0.203 INCHES
SPECIAL FEATURES1ST GEAR ROCKWELL C SCALE 34.0 TO 38.0,2ND GEAR ROCKWELL C SCALE 47.0 TO 50.0
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL


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