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National Stock Number:
3120-00-037-5865
Federal Supply Class:
3120
National Item Identification Number:
000375865
Description:
ROLLER,LINEAR-ROTARY MOTION
Detail:
A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.
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Manufacturer Information:
| 162625 | 00198 | PRATT & WHITNEY CANADA CORP | | AS162625 | 12776 | AIRCRAFT SUPPLIES |
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Techincal Specification:
| BORE LENGTH | 0.3095 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM | | BORE INSIDE DIAMETER | 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 0.2825 INCHES MINIMUM AND 0.2835 INCHES MAXIMUM | | FSC APPLICATION DATA | VALVE TAPPET,MAIN CRANKCASE,ENG.OE,ACFT,RECIPROCATING | | HUB DIAMETER | 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.248 INCHES MINIMUM AND 1.252 INCHES MAXIMUM | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 76.5 MINIMUM ROCKWELL SUPERFICIAL 30-N AND 79.0 MAXIMUM ROCKWELL SUPERFICIAL 30-N | | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
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