5305-01-101-8528 THUMBSCREW Index 5305-01-101-8530 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-101-8529

Federal Supply Class:
5306

National Item Identification Number:
011018529

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.


Manufacturer Information:
SM-B-16906280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.163 INCHES NOMINAL
FASTENER LENGTH0.319 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD DIAMETER0.250 INCHES NOMINAL
HEAD HEIGHT0.031 INCHES NOMINAL


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