5305-01-348-0782, SCREW,EXTERNALLY RELIEVED BODY

5905-01-348-0781 RESISTOR,VARIABLE,NONWIRE WOUND,

National Stock Number:
5305-01-348-0782

Federal Supply Class:
5305

National Item Identification Number:
013480782

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:

10130696	A486G	NIMIKKEISTOKESKUS NCB FINLAND
791709-3	73030	HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.625 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM
HEAD DIAMETER	0.183 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS6300 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4037 OR STEEL COMP 8630 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD LENGTH	0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	12

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