Product Details | TUBE TO BOSS ELBOW

4730-00-908-1637 A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external 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 or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part Alternates: 72376, 4730-00-908-1637, 00-908-1637, 4730009081637, 009081637

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1960 00-908-1637

Cross Reference | NSN 4730-00-908-1637

Part Number Cage Code Manufacturer
72376 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4730-00-908-1637

Technical Data | NSN 4730-00-908-1637

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B64 FLARED 1ST END B71 EXTERNAL SEAT FOR GASKET SEAL 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END UNF 2ND END
NOMINAL THREAD SIZE 0.438 INCHES 1ST END 0.438 INCHES 2ND END
THREAD CLASS 3A 1ST END 3A 2ND END
LEG LENGTH 0.890 INCHES NOMINAL 1ST END 1.030 INCHES NOMINAL 2ND END
FLOW ANGLE 90.0 DEGREES

Restrictions/Controls & Freight Information | NSN 4730-00-908-1637

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 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating U 50
Less than truck load rating W Rating Variable
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