4730-00-842-8217 TEE,PIPE TO TUBE Index 5306-00-842-8220 BOLT,ANCHOR

National Stock Number:
5306-00-842-8219

Federal Supply Class:
5306

National Item Identification Number:
008428219

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:
56294500088ROYAL OAK GAGE INC
5629451V495PARKER SHANE MFG CO
5629452T498MORTON GRINDING, INC
56294552661RTX CORPORATION
56294560763CCB INDUSTRIES INC.
56294577445RTX CORPORATION
56294592215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
CHAMFER ANGLE45.0 DEGREES NOMINAL
CONCENTRIC HOLE DEPTH0.420 INCHES MINIMUM AND 0.444 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
FASTENER LENGTH1.520 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
HEAD LENGTH0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
HEAD HEIGHT0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLESQUARE
NOMINAL THREAD DIAMETER0.250 INCHES
SHOULDER DIAMETER0.403 INCHES MINIMUM AND 0.404 INCHES MAXIMUM
SHOULDER LENGTH0.300 INCHES MINIMUM AND 0.304 INCHES MAXIMUM
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.552 INCHES MINIMUM AND 0.560 INCHES MAXIMUM


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