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National Stock Number:
5306-01-381-1643
Federal Supply Class:
5306
National Item Identification Number:
013811643
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.
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Manufacturer Information:
| 17P6W8247-509 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.630 INCHES MINIMUM AND | | 0.665 INCHES MAXIMUM | | FASTENER LENGTH | 2.308 INCHES MINIMUM AND | | 2.438 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | COUNTERBORE THREADED | | SHOULDER DIAMETER | 0.7477 INCHES MINIMUM AND | | 0.7487 INCHES MAXIMUM | | SHOULDER LENGTH | 1.526 INCHES MINIMUM AND | | 1.536 INCHES MAXIMUM | | CONCENTRIC HOLE DEPTH | 1.901 INCHES MINIMUM AND | | 1.926 INCHES MAXIMUM | | CONCENTRIC HOLE DIAMETER | 0.107 INCHES MINIMUM AND | | 0.114 INCHES MAXIMUM | | THREAD SERIES | UNF HEAD | | THREADS PER INCH | 28 HEAD | | INTERNAL THREAD CLASS | 3B HEAD | | INTERNAL THREAD DIRECTION | RIGHT-HAND HEAD | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.375 INCHES MINIMUM AND | | 0.390 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND | | 1.064 INCHES MAXIMUM | | SHANK UNTHREADED HOLE DIAMETER | 0.107 INCHES MINIMUM AND | | 0.114 INCHES MAXIMUM THREADS | | SPECIAL FEATURES | SECOND HOLE IN THDS 90 DEGREED APART; 32 MICRO INCH FINISH ON SHOULDER AND THRD RELIEF |
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