NSN 4730-01-083-2890

Part Details | TUBE COUPLING NUT ASSEMBLY

4730-01-083-2890 An item consisting of an internally threaded nut and an integral floating washer designed to be used with a gasket seal to connect beaded or swaged ferruled thin wall tubing to a coupling body, boss connection, or the like to form a flexible or rigid leakproof connection.

Alternate Parts: ST7M19120D, ST7M191-20D, ST7M191, 12H7220A, 12H72-20A, W70220D, W702-20D, 4730-01-083-2890, 01-083-2890, 4730010832890, 010832890

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47SEP 20, 197901-083-289032836 ( NUT ASSEMBLY, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

NUT ASSEMBLY

Cross Reference | NSN 4730-01-083-2890
Part Number Cage Code Manufacturer
ST7M191-20D76301BOEING COMPANY, THEDBA BOEING
ST7M19176301BOEING COMPANY, THEDBA BOEING
12H72-20A24984HYDRAFLOW
W702-20D79326TRANSDIGM INCDBA ADEL WIGGINS GROUP- MILITARY
Technical Data | NSN 4730-01-083-2890
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024
SURFACE TREATMENT ANODIZE
STYLE DESIGNATOR NUT ASSEMBLY
OVERALL LENGTH0.496 INCHES MAXIMUM
OUTSIDE DIAMETER1.939 INCHES MAXIMUM
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.250 INCHES NOMINAL
THREAD SIZE1-13/16-16
SCREW THREAD SERIES DESIGNATOR UN
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
WORKING PRESSURE AND SERVICE TYPEFBAAAAA375.0 POUNDS PER SQUARE INCH MINIMUM
WORKING TEMP AND SERVICE TYPEGWAAAAA160.0 DEG FAHRENHEIT
SPECIAL FEATURESW/TWO ALUMINUM WASHERS AND SIX ALUMINUM O-RINGS
END ITEM IDENTIFICATIONAIRCRAFT APPLICATION