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National Stock Number:
5306-00-250-9687
Federal Supply Class:
5306
National Item Identification Number:
002509687
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:
| 8438732 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| FASTENER LENGTH | 2.140 INCHES MINIMUM AND | | 2.160 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR | | QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.200 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.520 INCHES MINIMUM AND | | 5.525 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.780 INCHES NOMINAL FIRST SHOULDER | | RIB QUANTITY | 35 | | RIB MAJOR DIAMETER | 0.550 INCHES MINIMUM AND | | 0.560 INCHES MAXIMUM | | RIB LENGTH | 0.380 INCHES NOMINAL | | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.060 INCHES NOMINAL | | RIB MINOR DIAMETER | 0.530 INCHES MINIMUM AND | | 0.540 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.080 INCHES MINIMUM AND | | 1.110 INCHES MAXIMUM |
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