National Stock Number (NSN) 2815-00-273-0601 (2815002730601) Parts List

Item Name	Ring Piston
Federal Supply Group (FSG)	Engines Turbines and Components
Federal Supply Class (FSC)	2815 Diesel Engines and Components
National Item Identification Number (NIIN)	00-273-0601 (002730601)
NCB Code	USA (00)
Manufacturer	Dana Corp, Cummins Incorporated, Kaitlin Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
4973	dana corp	ring piston	77220	RFQ
65325	cummins incorporated	ring piston	15434	RFQ
H65325	cummins incorporated	ring piston	15434	RFQ
H65325	kaitlin corp	ring piston	63734	RFQ

MRC	Criteria	Characteristic
AAGR	CROSS-SECTIONAL SHAPE STYLE	CONVEX FACE,DOUBLE SCRAPER,VENTILATED OIL CONTROL
ACXD	RING STYLE	CONCENTRIC
ACXF	RADIAL WALL THICKNESS	0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
ACXJ	OVERALL WIDTH	0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM
ACXZ	STANDARD BORE DIAMETER	4.875 INCHES
ADTE	JOINT STYLE	VERTICAL JOINT
CQKZ	OIL PASSAGE TYPE AND QUANTITY	1 GROOVE OUTSIDE PERIPHERY
CQKZ	OIL PASSAGE TYPE AND QUANTITY	11 SLOT HORIZONTALLY THROUGH RING
MATT	MATERIAL	IRON OVERALL