National Stock Number (NSN) 5305-01-344-4319 (5305013444319) 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)	01-344-4319 (013444319)
NCB Code	USA (01)
Manufacturer	Dresser Rand Company, Zf Industrieantriebe Witten Gmbh, Rolls Royce Marine, Pentair Valves And Controls, Military Specifications, Science Applications International Corporation, Curtiss Wright Electro Mechanical Corporation

Part Number	Manufacturer	Item Name	Cage Code	RFQ
NK3346-125	dresser rand company	screw cap socket head	4rph2	RFQ
FF S 86TYPEVICL B5 8 11 3AX11 4	zf industrieantriebe witten gmbh	screw cap socket head	d9182	RFQ
115652171 PC 79	rolls royce marine	screw cap socket head	07309	RFQ
K-8-1-25	rolls royce marine	screw cap socket head	07309	RFQ
NK3346-125	pentair valves and controls	screw cap socket head	93591	RFQ
S-1034 PC 14MOD	pentair valves and controls	screw cap socket head	93591	RFQ
FF-S-86	military specifications	screw cap socket head	81349	RFQ
K-8-1-25	science applications international corporation	screw cap socket head	79343	RFQ
NK3346-125	curtiss wright electro mechanical corporation	screw cap socket head	830q4	RFQ

MRC	Criteria	Characteristic
AAJF	THREAD DIRECTION	RIGHT-HAND
AASB	FASTENER LENGTH	1.250 INCHES NOMINAL
AASL	HEAD DIAMETER	0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.625 INCHES
ASDB	WIDTH ACROSS FLATS	0.500 INCHES NOMINAL
CMLP	THREAD QUANTITY PER INCH	11
THSD	THREAD SERIES DESIGNATOR	UNC
AASK	HEAD STYLE	FLAT CHAMFER
AAJD	THREAD CLASS	3A
AASA	THREAD LENGTH	1.068 INCHES NOMINAL
MATT	MATERIAL	NICKEL ALLOY K-500 OVERALL
AASU	HEAD HEIGHT	0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL