NSN 5305-01-229-8020, (5305012298020) Parts Inventory

Item Name	Screw Close Tolerance
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-229-8020 (012298020)
NCB Code	USA (01)
Manufacturer	Military Standards Corp, National Aerospace Standards Com

Part Number	Manufacturer	Item Name	Cage Code	RFQ
MS27577-8-22	military standards corp	screw close tolerance	96906	RFQ
MS27577-8-22	national aerospace standards com	screw close tolerance	80205	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.630 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
AASB	FASTENER LENGTH	2.021 INCHES MINIMUM AND 2.041 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.959 INCHES MINIMUM AND 1.017 INCHES MAXIMUM
AAUR	GRIP DIAMETER	0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM
AAWB	SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE
ABQZ	INTERNAL DRIVE STYLE	HIGH-TORQUE
AHYM	NOMINAL THREAD DIAMETER	0.500 INCHES
ANEE	GRIP LENGTH	1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM
CMLP	THREAD QUANTITY PER INCH	20
CQFM	HARDNESS RATING	36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL
CRSQ	COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CRZS	DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.765 INCHES MINIMUM FIRST HOLE AND 1.785 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 ON SHANK
MATT	MATERIAL	STEEL COMP 4340 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 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNJF