National Stock Number (NSN) 5305-00-150-3478 (5305001503478) Parts List

Item Name	Screw Cap Socket Head
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-150-3478 (001503478)
NCB Code	USA (00)
Manufacturer	Torkon Fastener Corp, National Aerospace Standards Com

Part Number	Manufacturer	Item Name	Cage Code	RFQ
LK1190-RP14	torkon fastener corp	screw cap socket head	26304	RFQ
NAS1190-4P14	national aerospace standards com	screw cap socket head	80205	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.773 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
AASB	FASTENER LENGTH	0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
AASK	HEAD STYLE	PAN
AASL	HEAD DIAMETER	0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
AASU	HEAD HEIGHT	0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
AAUM	LOCKING FEATURE	PELLET OR STRIP THREADS
ABQZ	INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
AHYM	NOMINAL THREAD DIAMETER	0.250 INCHES
CMLP	THREAD QUANTITY PER INCH	28
CQBC	MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
CSYM	SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
CSYM	SURFACE FINISH	32.0 MICROINCHES THREADS
MATT	MATERIAL	STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	CADMIUM 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	UNJF
ZZZK	SPECIFICATION/STANDARD DATA	80205-NAS1190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD