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		                        | National Stock Number:
 5306-01-188-0486
 
 Federal Supply Class:
 5306
 
 National Item Identification Number:
 011880486
 
 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:
 
 | 109 38 | 24617 | GENERAL MOTORS CORP |  | MS35751-127 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |  | MS35751-127 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.500 INCHES |  | THREAD QUANTITY PER INCH | 13 |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.250 INCHES NOMINAL |  | FASTENER LENGTH | 2.000 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A307 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM AND |  |  | CHROMATE OR |  |  | ZINC OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC 1ST TREATMENT RESPONSE OR |  |  | ASTM B633 ASSN STD 2ND TREATMENT RESPONSE OR |  |  | MIL-C-81562 TY 2 CL3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |  | HEAD STYLE | BUTTON |  | HEAD DIAMETER | 1.032 INCHES MINIMUM AND |  |  | 1.094 INCHES MAXIMUM |  | HEAD HEIGHT | 0.250 INCHES MINIMUM AND |  |  | 0.270 INCHES MAXIMUM |  | NECK LENGTH | 0.250 INCHES MINIMUM AND |  |  | 0.281 INCHES MAXIMUM |  | NECK WIDTH | 0.492 INCHES MINIMUM AND |  |  | 0.515 INCHES MAXIMUM | 
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