Recently Updated NSN 5305-00-177-5281 Or (5305001775281) Part 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)	00-177-5281 (001775281)
NCB Code	USA (00)
Manufacturer	Federal Specifications, American Society Of Mechanical, American National Standards, Military Standards Corp

Part Number	Manufacturer	Item Name	RFQ
FFS85	federal specifications	screw cap hexagon head	RFQ
ASME B18.2.1	american society of mechanical	screw cap hexagon head	RFQ
B1821BH038C225D	american national standards	screw cap hexagon head	RFQ
AES01C375B25AW9A97	american society of mechanical	screw cap hexagon head	RFQ
MS18154-65	military standards corp	screw cap hexagon head	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	1.188 INCHES MINIMUM
AASB	FASTENER LENGTH	2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
AASK	HEAD STYLE	HEXAGON
AASU	HEAD HEIGHT	0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
AATB	WIDTH BETWEEN FLATS	0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
AAUB	HOLE DIAMETER	0.063 INCHES NOMINAL
AHYM	NOMINAL THREAD DIAMETER	0.375 INCHES
ASXK	HOLE QUANTITY	1
BQDM	HOLE TYPE	DRILLED
CMLP	THREAD QUANTITY PER INCH	16
CQBC	MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL
CRHC	HOLE CONFIGURATION STYLE	HEXAGON FLATS
CSYM	SURFACE FINISH	63.0 MICROINCHES THREADS
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC
ZZZT	NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 10P STYLE AND 8 GRADE