3020-00-968-7687 GEAR,SPUR Index 3020-00-968-7689 GEAR,BEVEL

National Stock Number:
3040-00-968-7688

Federal Supply Class:
3040

National Item Identification Number:
009687688

Description:
CLAMP,HUB

Detail:
An item designed to be mounted around the extended hub portion of a gear, wheel, or the like, to retain it securely to a shaft by compressing the slotted hub body. The item may also be used to clamp around a shaft, or the like, to prevent end motion or to retain it in position. Its compression quality is derived from a screw(s) or bolt(s) which may be a part of the item of supply. For items designed to secure directly to a shaft by use of setscrews, pins, or the like, see COLLAR, SHAFT. Excludes CLAMP, LOOP.


Manufacturer Information:
1004905618876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
BORE DIAMETER0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM
CLAMP SECURING HOLE STYLETHREADED
FSC APPLICATION DATASIMULATOR STATION,RADAR SIGNAL,GUIDED MISSILE SYSTEM
OUTSIDE DIAMETER0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 303
NOMINAL THREAD SIZE0.138 INCHES
PLAIN HOLE DIAMETER0.1430 INCHES MINIMUM AND 0.1490 INCHES MAXIMUM
SCREW THREAD SERIES DESIGNATORUNC
STYLE DESIGNATORROUND, SINGLE BOLT SECURED
SURFACE TREATMENTPASSIVATE
THICKNESS0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM


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