MRC:
						A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
					 
					
						Thread Class:
					
					
						3a					
				 
							
					
						MRC:
						The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AAJF
					 
					
						Thread Direction:
					
					
						Right-hand					
				 
							
					
						MRC:
						A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
					 
					
						Thread Length:
					
					
						0.312 inches 					
				 
							
					
						MRC:
						The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.AASB
					 
					
						Fastener Length:
					
					
						Between 1.923 inches and 1.943 inches 					
				 
							
					
						MRC:
						The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
					 
					
						Head Style:
					
					
						Flat chamfer					
				 
							
					
						MRC:
						The length of a straight line which passes through the center of a circular head,and terminates at the circumference.AASL
					 
					
						Head Diameter:
					
					
						0.500 inches 					
				 
							
					
						MRC:
						A measurement from the bottom to the top of the head,in distinction from depth.AASU
					 
					
						Head Height:
					
					
						0.100 inches 					
				 
							
					
						MRC:
						The length of a straight line which passes through the center of the shoulder and terminates at the circumference.AATN
					 
					
						Shoulder Diameter:
					
					
						0.281 inches  first shoulder and 0.282 inches  first shoulder					
				 
							
					
						MRC:
						The length of the enlarged portion of the shank on the item,in distinction from width or diameter.AATX
					 
					
						Shoulder Length:
					
					
						1.611 inches  first shoulder and 1.631 inches  first shoulder					
				 
							
					
						MRC:
						The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.AAWB
					 
					
						Shank Unthreaded Hole Diameter:
					
					
						0.071 inches  first hole and 0.076 inches  first hole					
				 
							
					
						MRC:
						The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
					 
					
						Internal Drive Style:
					
					
						Slot					
				 
							
					
						MRC:
						The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM
					 
					
						Thread Diameter:
					
					
						0.250 inches					
				 
							
					
						MRC:
						The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
					 
					
						Thready Qty Per Inch (tpi):
					
					
						28					
				 
							
					
						MRC:
						A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
					 
					
						Hardness Rating:
					
					
						46.0 rockwell c   and 49.0 rockwell c  					
				 
							
					
						MRC:
						The distance from the shank hole centerline to the largest bearing surface of the head.CRZS
					 
					
						Distance From Head Largest Bearing Surface To Shank Hole Center:
					
					
						1.823 inches  first hole and 1.843 inches  first hole					
				 
							
					
						MRC:
						The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.CWYB
					 
					
						Shoulder Shape:
					
					
						Round first shoulder					
				 
							
					
						MRC:
						The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
					 
					
						Material:
					
					
						Steel 					
				 
							
					
						MRC:
						The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
					 
					
						Material Specification:
					
					
						G-1010 fscm 26512 mfr ref single material response 					
				 
							
					
						MRC:
						The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
					 
					
						Surface Treatment:
					
					
						Cadmium threads					
				 
							
					
						MRC:
						The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
					 
					
						Surface Treatment:
					
					
						Cadmium grip and chromium grip					
				 
							
					
						MRC:
						The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
					 
					
						Surface Treatment Specification:
					
					
						Mil-c-8837  type 2 cl 1 1 military specification single treatment response  and qq-c-320 federal specification single treatment response 					
				 
							
					
						MRC:
						The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
					 
					
						Test Data Document:
					
					
						81349-mil-i-6868 specification (includes engineering type bulletins,  brochures, etc.,  that reflect specification type data in specification format;  excludes commercial catalogs,  industry directories,  and similar trade publications,  reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical",  "average",  "",  etc.).					
				 
							
					
						MRC:
						A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
					 
					
						Thread Series Designator:
					
					
						Unjf