National Stock Number (NSN) 4820-00-132-3409 (4820001323409) Parts List

Item Name	Seat Assembly Valve
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	00-132-3409 (001323409)
NCB Code	USA (00)
Manufacturer	National Instruments Corporation, Portland Valve Llc, Rockwood A Gulf And Western Precision Engineering Co, Tyco Fire Products Lp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
F501-0042 PC 9Q3	national instruments corporation	seat assembly valve	03950	RFQ
C101-8033Q3	national instruments corporation	seat assembly valve	03950	RFQ
F501-0042 PC 9	portland valve llc	seat assembly valve	53154	RFQ
F501-0042 PC 9	rockwood a gulf and western precision engineering co	seat assembly valve	96463	RFQ
F501-0042 PC 9	tyco fire products lp	seat assembly valve	03670	RFQ

MRC	Criteria	Characteristic
CRTL	CRITICALITY CODE JUSTIFICATION	ZZZY
ZZZY	REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS