5342-00-763-2786 FASTENER,PANEL Index 5340-00-763-2789 STRAP,RETAINING

National Stock Number:
3040-00-763-2787

Federal Supply Class:
3040

National Item Identification Number:
007632787

Description:
COLLAR,SHAFT

Detail:
An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. It is secured directly to the shaft by use of a setscrew(s), pin(s), or the like, which may be a part of the item of supply. A pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. Solid items have a bearing surface on one or both end(s) perpendicular to the axis. For items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see CLAMP, HUB. See also BEARING, SLEEVE; BUSHING, SLEEVE; SPACER, SLEEVE; and COUPLING, SHAFT, RIGID.


Manufacturer Information:
763278719200US ARMY ARDEC RDECOM


Techincal Specification:
BORE DIAMETER0.3750 INCHES NOMINAL
OUTSIDE DIAMETER0.688 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1020
NOMINAL THREAD SIZE0.125 INCHES SINGLE HOLE
SCREW THREAD SERIES DESIGNATOR AND LOCATIONSINGLE HOLE UNF
SECURING HOLE QUANTITY1
SECURING HOLE TYPE AND LOCATIONTHREADED SINGLE HOLE
SPECIAL FEATURESPILOT HOLE FOR 0.109 NO. 4/0 TAPER PIN
STYLE DESIGNATORPLAIN ROUND
SURFACE FINISH125 MICROINCHES SMALLEST BEARING FLAT
SURFACE FINISH250 MICROINCHES BOTH BEARING FLATS
SURFACE FINISH250 MICROINCHES LARGEST OUTSIDE PERIPHERY
SURFACE FINISH63 MICROINCHES INSIDE PERIPHERY
SURFACE TREATMENTOXIDE
THICKNESS0.344 INCHES NOMINAL


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