5305-01-049-3144 SCREW,EXTERNALLY RELIEVED BODY Index 5970-01-049-3147 INSULATOR,WASHER

National Stock Number:
5306-01-049-3145

Federal Supply Class:
5306

National Item Identification Number:
010493145

Description:
BOLT,INTERNAL WRENCHING

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.


Manufacturer Information:
21006684-10181395BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.335 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
FASTENER LENGTH1.210 INCHES MINIMUM AND
1.250 INCHES MAXIMUM
MATERIALSTEEL COMP 303 OR
STEEL COMP 305 OR
STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.457 INCHES MINIMUM AND
0.469 INCHES MAXIMUM
HEAD HEIGHT0.305 INCHES MINIMUM AND
0.313 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND
0.253 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.220 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.875 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE81395
DESIGN CONTROL REFERENCE21006684-101


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