5310-00-917-4746 WASHER,FLAT Index 5307-00-917-4755 STUD,SHOULDERED

National Stock Number:
5305-00-917-4751

Federal Supply Class:
5305

National Item Identification Number:
009174751

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
102547-480230MASSACHUSETTS INSTITUTE OF TECHNOLOGY


Techincal Specification:
FASTENER LENGTH0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.091 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
HEAD HEIGHT0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER0.060 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.184 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH80
WIDTH ACROSS FLATS0.050 INCHES NOMINAL


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