Explore Our NSN 4820-01-256-0644 Parts List

Item Name	Seat Valve
Federal Supply Group (FSG)	Valves
Federal Supply Class (FSC)	4820 Valves Nonpowered
National Item Identification Number (NIIN)	01-256-0644 (012560644)
NCB Code	USA (01)
Manufacturer	Curtiss Wright Electro Mechanical Corporation, Dresser Rand Company

Part Number	Manufacturer	Item Name	Cage Code	RFQ
HL19354	curtiss wright electro mechanical corporation	seat valve	93232	RFQ
HL19354 PIECE 243.2	curtiss wright electro mechanical corporation	seat valve	93232	RFQ
SET 148	curtiss wright electro mechanical corporation	seat valve	830q4	RFQ
SET 148	dresser rand company	seat valve	93236	RFQ

Technical Characteristics of NSN 4820012560644

MRC	Criteria	Characteristic
ABKW	OVERALL HEIGHT	0.127 INCHES NOMINAL
ADAR	BODY OUTSIDE DIAMETER	0.663 INCHES NOMINAL
ADAS	BODY INSIDE DIAMETER	0.235 INCHES NOMINAL
CQKM	SEATING SURFACE SHAPE	FLAT
MATT	MATERIAL	STEEL OVERALL
STYL	STYLE DESIGNATOR	PLAIN

Components Related to NSN - 4820-01-256-0644, 4820012560644
4820-00-202-6821 (4820002026821)	4820-01-556-4881 (4820015564881)	4820-01-428-6851 (4820014286851)	4820-01-105-7537 (4820011057537)
4820-00-969-8265 (4820009698265)	4810-01-493-6390 (4810014936390)	4820-01-514-3567 (4820015143567)	4820-01-263-9520 (4820012639520)
4820-01-108-1913 (4820011081913)	4820-01-692-8437 (4820016928437)	4820-01-286-3164 (4820012863164)	4820-01-421-2588 (4820014212588)

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