4730-00-251-2166 NIPPLE,PIPE Index 4820-00-251-2171 VALVE,PRESSURE EQUALIZING,GASEOU

National Stock Number:
3040-00-251-2168

Federal Supply Class:
3040

National Item Identification Number:
002512168

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:
149497-610001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
149497PC610001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
MATERIALSTEEL COMP 416
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR
AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR
SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORROUND W/SINGLE CHAMFER
CHAMFER ANGLE IN DEG45.0
OUTSIDE DIAMETER0.625 INCHES NOMINAL
THICKNESS0.310 INCHES NOMINAL
BORE DIAMETER0.3751 INCHES MINIMUM AND
0.3754 INCHES MAXIMUM
LARGEST DIAMETER LENGTH0.250 INCHES NOMINAL
SECURING HOLE QUANTITY2
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG90.0
SECURING HOLE TYPE AND LOCATIONTHREADED 1ST HOLE
TAPER PIN PILOT 2ND HOLE
SCREW THREAD SERIES DESIGNATOR AND LOCATION1ST HOLE UNC
NOMINAL THREAD SIZE AND LOCATION0.138 INCHES 1ST HOLE
TAPERED PIN SIZE ACCOMMODATED AND LOCATION4/0 2ND HOLE


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