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National Stock Number:
5306-00-908-9454
Federal Supply Class:
5306
National Item Identification Number:
009089454
Description:
BOLT,SQUARE NECK
Detail:
A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
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Manufacturer Information:
| 3F21256-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES NOMINAL | | FASTENER LENGTH | 2.970 INCHES NOMINAL | | HEAD DIAMETER | 0.875 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | MATERIAL | STEEL COMP 4140 OVERALL | | MINIMUM TENSILE STRENGTH | 200000 POUNDS PER SQUARE INCH | | NECK LENGTH | 0.410 INCHES NOMINAL | | NECK WIDTH | 0.500 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | ONE 0.069 IN. DIA HOLE THRU SHANK LOCATED 0.710IN. FROM HEAD | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.060 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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