National Stock Number (NSN) 5305-01-051-8037 (5305010518037) Parts List

Item Name	Screw Cap Hexagon Head
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-051-8037 (010518037)
NCB Code	USA (01)
Manufacturer	Federal Specifications, Military Standards Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
FF-S-85	federal specifications	screw cap hexagon head	81348	RFQ
MS51106-452	military standards corp	screw cap hexagon head	96906	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
AASB	FASTENER LENGTH	5.406 INCHES MINIMUM AND 5.500 INCHES MAXIMUM
AASK	HEAD STYLE	HEXAGON
AASU	HEAD HEIGHT	0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM
AATB	WIDTH BETWEEN FLATS	0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
AAWB	SHANK UNTHREADED HOLE DIAMETER	0.138 INCHES MINIMUM FIRST HOLE AND 0.146 INCHES MAXIMUM FIRST HOLE
AHYM	NOMINAL THREAD DIAMETER	0.625 INCHES
CMLP	THREAD QUANTITY PER INCH	18
CQBC	MINIMUM TENSILE STRENGTH	120000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL
CRZS	DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	5.208 INCHES MINIMUM FIRST HOLE AND 5.322 INCHES MAXIMUM FIRST HOLE
CSYM	SURFACE FINISH	32.0 MICROINCHES THREADS
MATT	MATERIAL	STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES 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	UNF
ZZZT	NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 10P STYLE AND 5 GRADE