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National Stock Number:
5306-00-986-0748
Federal Supply Class:
5306
National Item Identification Number:
009860748
Description:
BOLT,RIBBED SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.
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Manufacturer Information:
| 3765876 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 3765876 | 24617 | GENERAL MOTORS CORP | | 3765876 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | FASTENER LENGTH | 3.250 INCHES NOMINAL | | HEAD HEIGHT | 0.280 INCHES NOMINAL | | HEAD DIAMETER | 1.120 INCHES NOMINAL | | HEAD STYLE | PAN NO. 2 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.688 INCHES | | RIB LENGTH | 0.600 INCHES NOMINAL | | RIB MAJOR DIAMETER | 0.758 INCHES MINIMUM AND 0.768 INCHES MAXIMUM | | RIB QUANTITY | 44 | | SHOULDER DIAMETER | 0.7285 INCHES MINIMUM AND 0.7325 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | RIBBED FIRST SHOULDER | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.420 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UN |
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