5306-01-212-4533, BOLT,INTERNALLY RELIEVED BODY

5306-01-212-4532 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-212-4533

Federal Supply Class:
5306

National Item Identification Number:
012124533

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.

Manufacturer Information:

2012A41	13002	GOODRICH CORPORATION
2012A41	45934	ONTIC ENGINEERING & MANUFACTURING, INC
2012A41	6K4C8	GOODRICH CORPORATION
2015A41	30633	C & H MANUFACTURING INC
2015A41	6Z056	CM MANUFACTURING INC

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.292 INCHES NOMINAL FIRST HOLE
CONCENTRIC HOLE DEPTH	1.592 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.310 INCHES NOMINAL
FASTENER LENGTH	2.522 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
SHOULDER LENGTH	1.802 INCHES MINIMUM AND 1.812 INCHES MAXIMUM
SPECIAL FEATURES	CONCENTRIC HOLE FINISH POLYURETHANE PER MIL-C-83286,COLOR GRAY NO. 36320
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE SIDES OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE TOP OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,TY1,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,TY1,CL1 MIL SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT	NICKEL AND CHROMIUM BEARING SURFACE OF HEAD
SURFACE TREATMENT	NICKEL AND CHROMIUM GRIP
SURFACE TREATMENT	PLASTIC TOP OF HEAD
SURFACE TREATMENT	PLASTIC SIDES OF HEAD
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.640 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNJF

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