5305-01-274-3228, SCREW,EXTERNALLY RELIEVED BODY

5305-01-274-3227 SCREW,EXTERNALLY RELIEVED BODY

5305-01-274-3229 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-274-3228

Federal Supply Class:
5305

National Item Identification Number:
012743228

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:

10113626	A486G	NIMIKKEISTOKESKUS NCB FINLAND
791719-2	73030	HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.345 INCHES MINIMUM AND 0.365 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM
HEAD DIAMETER	0.212 INCHES NOMINAL
HEAD HEIGHT	0.195 INCHES NOMINAL
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT	CADMIUM GRIP
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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