5305-00-021-3221, SCREW,EXTERNALLY RELIEVED BODY

5961-00-021-3222 RECTIFIER,SEMICONDUCTOR DEVICE

National Stock Number:
5305-00-021-3221

Federal Supply Class:
5305

National Item Identification Number:
000213221

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:

618784-3

96214

RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.810 INCHES MINIMUM AND 0.850 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD DIAMETER	0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
HEAD HEIGHT	0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 301 OR STEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SPECIAL FEATURES	PAINTED AREA GRAY ENAMEL F-86 TYPE 2 CLASS 3 GRADE 2 96214
SURFACE TREATMENT	PAINT AND PRIMER OVERALL
THREAD CLASS	2A
THREAD LENGTH	0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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