6240-01-381-1552 RETROFIT Index 5305-01-381-1554 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-381-1553

Federal Supply Class:
5306

National Item Identification Number:
013811553

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.


Manufacturer Information:
583-702006-119133MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS AEROSPACE OPNS WEST
583-702006-176301THE BOEING COMPANY


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.530 INCHES NOMINAL
FASTENER LENGTH1.820 INCHES NOMINAL
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEHEXAGON
HEAD HEIGHT0.156 INCHES NOMINAL
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND
0.502 INCHES MAXIMUM
SHOULDER SHAPEROUND ALL SHOULDERS
SHOULDER DIAMETER0.311 INCHES MINIMUM AND
0.312 INCHES MAXIMUM ALL SHOULDERS
SHOULDER LENGTH0.675 INCHES NOMINAL FIRST SHOULDER
0.518 INCHES NOMINAL SECOND SHOULDER


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