5305-01-278-9619 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-278-9622 SCREW,MACHINE

National Stock Number:
5306-01-278-9620

Federal Supply Class:
5306

National Item Identification Number:
012789620

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:
2051725-196214RAYTHEON COMPANY


Techincal Specification:
FASTENER LENGTH1.510 INCHES NOMINAL
HEAD HEIGHT0.200 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1071 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SHOULDER DIAMETER0.260 INCHES NOMINAL SECOND SHOULDER
SHOULDER DIAMETER0.312 INCHES NOMINAL FIRST SHOULDER
SHOULDER DIAMETER0.312 INCHES NOMINAL THIRD SHOULDER
SHOULDER LENGTH0.050 INCHES NOMINAL SECOND SHOULDER
SHOULDER LENGTH0.117 INCHES NOMINAL THIRD SHOULDER
SHOULDER SHAPEROUND ALL SHOULDERS
SHOULDER LENGTH0.933 INCHES NOMINAL FIRST SHOULDER
SPECIAL FEATURESTHIRD SHOULDER THREADED,0.312-24 UNF-2A LEFT HAND THREAD
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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