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National Stock Number:
5306-00-625-3241
Federal Supply Class:
5306
National Item Identification Number:
006253241
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:
| 10947478 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 1.940 INCHES NOMINAL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.280 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4042H OR STEEL COMP 4140 OR STEEL COMP 5140 OR STEEL COMP 8640 OVERALL | | NOMINAL THREAD DIAMETER | 0.310 INCHES | | SHOULDER DIAMETER | 0.420 INCHES MINIMUM AND 0.425 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | RIBBED FIRST SHOULDER | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | WIDTH BETWEEN FLATS | 0.560 INCHES NOMINAL |
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