5306-01-079-5129, BOLT,MACHINE

National Stock Number:
5306-01-079-5129

Federal Supply Class:
5306

National Item Identification Number:
010795129

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:

4943129-501

88277

THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.406 INCHES NOMINAL FIRST HOLE
DISTANCE FROM CENTERLINE TO FLAT	0.279 INCHES MINIMUM AND 0.284 INCHES MAXIMUM
FASTENER LENGTH	1.625 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	1.188 INCHES NOMINAL
HEAD DIAMETER	0.875 INCHES NOMINAL
HEAD HEIGHT	0.219 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.438 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SHANK UNTHREADED HOLE DIAMETER	0.099 INCHES MINIMUM AND 0.106 INCHES MAXIMUM FIRST HOLE
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DPS 9.74 TY 2 FSCM 88277 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.337 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNF

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