| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 5310-00-515-7812
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 005157812
 
 Description:
 NUT,PLAIN,HEXAGON
 
 Detail:
 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
 |  
		                        | 
 Manufacturer Information:
 
 | 100551 | 01413 | AIR LOGISTICS CORPORATION |  | G-100551 | C0417 | AIRBUS HELICOPTERS DEUTSCHLAND GMBH | 
 |  
					            | 
 Techincal Specification:
 
 | BEARING SURFACE FINISH | 250.0 MICROINCHES |  | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |  | COUNTERSINK ANGLE | 109.5 DEGREES MINIMUM  AND 110.5 DEGREES MAXIMUM NUT |  | COUNTERBORE DIAMETER | 0.678 INCHES MINIMUM  AND 0.698 INCHES MAXIMUM NUT |  | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 4130 OVERALL |  | NOMINAL THREAD SIZE | 0.688 INCHES |  | NUT HEIGHT | 0.280 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |  | NUT STYLE | HEXAGON |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | THREAD CLASS | 2B |  | THREAD DIRECTION | LEFT-HAND |  | THREAD QUANTITY PER INCH | 18 |  | THREAD SERIES | UNS |  | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL | 
 |  |