National Stock Number (NSN) 2805-01-150-6496 (2805011506496) Parts List

Item Name	Ring Piston
Federal Supply Group (FSG)	Engines Turbines and Components
Federal Supply Class (FSC)	2805 Gasoline Reciprocating Engines Except Aircraft and Components
National Item Identification Number (NIIN)	01-150-6496 (011506496)
NCB Code	USA (01)
Manufacturer	Nimikkeistokeskus Ncb Finland, Precision Rings Incorporated, Boeing Company The

Part Number	Manufacturer	Item Name	Cage Code	RFQ
10106393	nimikkeistokeskus ncb finland	ring piston	a486g	RFQ
J9786	precision rings incorporated	ring piston	99121	RFQ
ST7M413-1	boeing company the	ring piston	76301	RFQ

MRC	Criteria	Characteristic
AAGR	CROSS-SECTIONAL SHAPE STYLE	PLAIN RECTANGULAR,STRAIGHT FACE
ACXD	RING STYLE	CONCENTRIC
ACXF	RADIAL WALL THICKNESS	0.1950 INCHES NOMINAL
ACXJ	OVERALL WIDTH	0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
ACXZ	STANDARD BORE DIAMETER	5.190 INCHES
ADTE	JOINT STYLE	STEP JOINT
MATT	MATERIAL	STEEL CORROSION RESISTING OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	AMS-5621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ZZZV	FSC APPLICATION DATA	GUN SYSTEM-6M1A1