Product Details | FLANGE TO BOSS ELBOW

4730-00-204-0820 A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. It has a flange connection on one end designed to connect with another flange connection, or a compression type mounting pad. The other end has external and/or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side and/or heel inlet(s).

Part Alternates: 126C488, 4730-00-204-0820, 00-204-0820, 4730002040820, 002040820

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-204-0820

Cross Reference | NSN 4730-00-204-0820

Part Number Cage Code Manufacturer
126C488 24446 GENERAL ELECTRIC CO
126C488 53247 PRODUCTS SUPPORT, INC.
126C488 81893 GENERAL ELECTRIC CO LYNN RIVER WORKS
126C488 96972 GENERAL ELECTRIC CO FLIGHT PROPULSION DIVISION OF

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Technical Data | NSN 4730-00-204-0820

Characteristic Specifications
SURFACE TREATMENT ANODIZE INSIDE ANODIZE OUTSIDE
CONNECTION TYPE FLANGE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B75 DOUBLE THREADED SECTION W/GASKET AND LOCKNUT SEALING 2ND END
FLANGE SHAPE TRIANGULAR WITH HOLES 1ST END
NOMINAL THICKNESS 0.370 INCHES 1ST END
BOLT HOLE QUANTITY 3 1ST END
BOLT HOLE NOMINAL DIAMETER 0.380 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
THREAD SERIES DESIGNATOR UN 2ND END
NOMINAL THREAD SIZE 1.625 INCHES 2ND END
THREAD QUANTITY PER INCH 12 2ND END
THREAD CLASS 2A 2ND END
LEG LENGTH 1.004 INCHES MINIMUM AND 1.044 INCHES MAXIMUM 1ST END 2.520 INCHES MINIMUM AND 2.560 INCHES MAXIMUM 2ND END
FLOW ANGLE 85.3 DEGREES
MANUFACTURERS CODE 81893
DESIGN CONTROL REFERENCE 126C488

Restrictions/Controls & Freight Information | NSN 4730-00-204-0820

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 136500 METAL NOI/METAL ALLOYS NOI SUB1
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 576 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable