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National Stock Number: 5306-00-021-8156
Federal Supply Class: 5306
National Item Identification Number: 000218156
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:
218156 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | 218156 | 24617 | GENERAL MOTORS CORP | 5306000218156 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | 5306000218156 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | MS35754-40 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | FASTENER LENGTH | 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM | HEAD DIAMETER | 0.875 INCHES MINIMUM AND 0.945 INCHES MAXIMUM | HEAD STYLE | FLAT COUNTERSUNK | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL OVERALL | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH | NECK LENGTH | 0.375 INCHES MINIMUM AND 0.417 INCHES MAXIMUM | NECK WIDTH | 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | NOMINAL THREAD DIAMETER | 0.500 INCHES | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.250 INCHES MINIMUM | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 13 |
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