3040-00-409-2177 CONNECTING LINK,RIGID Index 3130-00-409-2179 BEARING UNIT,PLAIN

National Stock Number:
3040-00-409-2178

Federal Supply Class:
3040

National Item Identification Number:
004092178

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:
420396-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
EPA21A00-075F3014NAVAL GROUP SITE DE BREST


Techincal Specification:
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG90.0
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729, COND A MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4130
SPECIAL FEATURESC/O 2 HALF SECTIONS
SECURING HOLE QUANTITY4
SURFACE FINISH125 MICROINCHES OUTSIDE PERIPHERY
SURFACE FINISH125 MICROINCHES INSIDE PERIPHERY
SURFACE FINISH63 MICROINCHES BOTH BEARING FLATS
SURFACE TREATMENTCADMIUM


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