5306-00-294-7887, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-294-7887

Federal Supply Class:
5306

National Item Identification Number:
002947887

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:

1285150-101	98897	LOCKHEED MARTIN CORP
1285150-103	98897	LOCKHEED MARTIN CORP

Techincal Specification:

CONCENTRIC HOLE DIAMETER	1.030 INCHES MINIMUM AND 1.043 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.150 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	4.750 INCHES NOMINAL
HEAD HEIGHT	0.250 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	C-05-1190,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	270000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.500 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	1.746 INCHES MINIMUM AND 1.748 INCHES MAXIMUM
SHOULDER LENGTH	3.900 INCHES NOMINAL
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	LC+77-20358 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CHROMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.850 INCHES NOMINAL
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UN
WIDTH BETWEEN FLATS	2.250 INCHES MINIMUM AND 2.282 INCHES MAXIMUM

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