National Stock Number (NSN) 5340-01-293-1181 (5340012931181) Parts List

Item Name	Standoff Threaded Spacing
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5340 Hardware Commercial
National Item Identification Number (NIIN)	01-293-1181 (012931181)
NCB Code	USA (01)
Manufacturer	Nimikkeistokeskus Ncb Finland, Boeing Company The, Atlas Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
10154141	nimikkeistokeskus ncb finland	standoff threaded spacing	a486g	RFQ
ST4M138-10-34	boeing company the	standoff threaded spacing	76301	RFQ
ST4M138-10-34	atlas corp	standoff threaded spacing	04169	RFQ

MRC	Criteria	Characteristic
ABRY	LENGTH	3.390 INCHES MINIMUM AND 3.410 INCHES MAXIMUM
ANLR	CROSS-SECTIONAL SHAPE	HEXAGON
ASDB	WIDTH ACROSS FLATS	0.375 INCHES NOMINAL
FEAT	SPECIAL FEATURES	TWO HELICAL COIL INSERTS P/N MS21209F1-15 REQUIRED
STYL	STYLE DESIGNATOR	LEFT INTERNAL AND RIGHT INTERNAL THREADS