5305-01-142-6481, SCREW,EXTERNALLY RELIEVED BODY

5306-01-142-6483 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-142-6481

Federal Supply Class:
5305

National Item Identification Number:
011426481

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

5035L028-1

50601

CIRCOR AEROSPACE, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.035 INCHES MINIMUM AND 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM0.040 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.100 INCHES NOMINAL0.100 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	22
FASTENER LENGTH	0.312 INCHES NOMINAL0.312 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.230 INCHES NOMINAL0.230 INCHES NOMINAL
HEAD DIAMETER	0.312 INCHES NOMINAL0.312 INCHES NOMINAL
HEAD HEIGHT	0.088 INCHES NOMINAL0.088 INCHES NOMINAL
HEAD STYLE	FILLISTERFILLISTER
HOLE CONFIGURATION STYLE	ROUNDROUND
HOLE DIAMETER	0.031 INCHES MINIMUM AND 0.031 INCHES MINIMUM AND 0.034 INCHES MAXIMUM0.034 INCHES MAXIMUM
HOLE TYPE	DRILLEDDRILLED
HOLE QUANTITY	11
INTERNAL DRIVE STYLE	SLOTSLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4140 OVERALLSTEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES0.138 INCHES
SECOND DIAMETER FROM HEAD	0.104 INCHES NOMINAL0.104 INCHES NOMINAL
THREAD CLASS	3A3A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.213 INCHES NOMINAL0.213 INCHES NOMINAL
THREAD QUANTITY PER INCH	3232
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)

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