5306-01-193-6794, BOLT,MACHINE

4820-01-193-6793 VALVE,LINEAR,DIRECTIONAL CONTROL

National Stock Number:
5306-01-193-6794

Federal Supply Class:
5306

National Item Identification Number:
011936794

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

MD31623-17	0PXV4	THE BOEING COMPANY
MD31623-17	76301	THE BOEING COMPANY
MD31623-17	K0349	M L AVIATION LTD INCORPORATING M L WALLOP DEFENCE SYSTEMS LTD
MD31623-17	K4234	CURTISS-WRIGHT FLOW CONTROL (UK) LTD
MD31623-17	U1918	MISSION SYSTEMS WIMBORNE LIMITED

Techincal Specification:

FASTENER LENGTH	2.125 INCHES MINIMUM AND 2.135 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	1.788 INCHES MINIMUM AND 1.800 INCHES MAXIMUM
HEAD HEIGHT	0.153 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	S154 FSCM K0349 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	UNDER CUT 0.040 TO 0.060 INCHES IN LENGTH AND 0.190 TO 0.195 INCHES IN DIA
WIDTH BETWEEN FLATS	0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DEF STAN 03-19 FSCM K0349 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.285 INCHES MINIMUM AND 0.287 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF

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