5305-00-810-6621, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-810-6621

Federal Supply Class:
5305

National Item Identification Number:
008106621

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:

10049354-2	18876	U S ARMY AVIATION AND MISSILE COMMAND
200AS132-832-16	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
209-1032-39	49956	RAYTHEON COMPANY
209-1032-45	49956	RAYTHEON COMPANY
209-1032P39	49956	RAYTHEON COMPANY
2091032P39	99687	RAYTHEON CO EQUIPMENT DEVELOPMENT LAB
5823	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6110-SS-0832-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6110SS0832	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6110-SS-0832-7	1YGB8	CAREY MANUFACTURING CO, INC
4522943-12	28528	ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST
4522943-4	28528	ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST
4522943-4	31550	L3HARRIS TECHNOLOGIES, INC.
4522943-12	31550	L3HARRIS TECHNOLOGIES, INC.
6110SS0832	1YGB8	CAREY MANUFACTURING CO, INC
GS553AK0832-16	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
GS553K08-8	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
CS103	3B150	RAYTHEON COMPANY
CS103	49956	RAYTHEON COMPANY
CS103	54X10	RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.728 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.556 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.978 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.120 INCHES NOMINAL
HEAD DIAMETER	0.312 INCHES NOMINAL
HEAD HEIGHT	0.334 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SECOND DIAMETER FROM HEAD	0.164 INCHES NOMINAL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES MINIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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