NSN 5306-01-203-8366, (5306012038366) Parts Inventory

Item Name	Bolt Close Tolerance
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5306 Bolts
National Item Identification Number (NIIN)	01-203-8366 (012038366)
NCB Code	USA (01)
Manufacturer	Military Standards Corp, National Aerospace Standards Com

Part Number	Manufacturer	Item Name	Cage Code	RFQ
MS27576-4-52	military standards corp	bolt close tolerance	96906	RFQ
MS27576-4-52	national aerospace standards com	bolt close tolerance	80205	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AASB	FASTENER LENGTH	3.668 INCHES MINIMUM AND 3.688 INCHES MAXIMUM
AASK	HEAD STYLE	CROWNED HEXAGON
AASU	HEAD HEIGHT	0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
AATB	WIDTH BETWEEN FLATS	0.422 INCHES MINIMUM AND 0.488 INCHES MAXIMUM
AAUR	GRIP DIAMETER	0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
AAWB	SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE
AHYM	NOMINAL THREAD DIAMETER	0.250 INCHES
ANEE	GRIP LENGTH	3.250 INCHES MINIMUM AND 3.266 INCHES MAXIMUM
CMLP	THREAD QUANTITY PER INCH	28
CQFM	HARDNESS RATING	36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL
CRZS	DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.578 INCHES MINIMUM FIRST HOLE AND 3.588 INCHES MAXIMUM FIRST HOLE
CSYM	SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
CSYM	SURFACE FINISH	63.0 MICROINCHES GRIP
FEAT	SPECIAL FEATURES	RETAINING ELEMENT IN SHANK
MATT	MATERIAL	STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 6150 OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNJF