Product Details | UNION NUT

4730-01-290-4916 An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes NUT (1), TUBE COUPLING.202109000004730000000

Part Alternates: 4730-01-290-4916, 01-290-4916, 4730012904916, 012904916

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

Supply Group (FSG) NSN Assign. NIIN
47 01-290-4916

Drawings & Photos | NSN 4730-01-290-4916


Cross Reference | NSN 4730-01-290-4916

Part Number Cage Code Manufacturer
15-18-0364 96169 ELECTRIC BOAT CORPORATION
2621-791-02 96169 ELECTRIC BOAT CORPORATION
6559060 ITEM-F68 80064 NAVAL SHIP SYSTEMS COMMAND
803-1385884 PC-8 80064 NAVAL SHIP SYSTEMS COMMAND
810-1385884 80064 NAVAL SHIP SYSTEMS COMMAND
810-1385884 PC 8 80064 NAVAL SHIP SYSTEMS COMMAND
810-1385884 PC 8 9H417 FORSYTH ARTHUR CO INC

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Technical Data | NSN 4730-01-290-4916

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 1.750 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CL 304,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A371 HEXAGON
SHOULDER WIDTH 0.312 INCHES NOMINAL
NUT HEIGHT 1.062 INCHES NOMINAL
WIDTH ACROSS FLATS 2.000 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.378 INCHES NOMINAL
SHOULDER STEP WIDTH 0.250 INCHES NOMINAL
SHOULDER SEAT DIAMETER 1.763 INCHES NOMINAL
TEMP RATING NOT RATED
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED 6000.0 POUNDS PER SQUARE INCH OIL

Restrictions/Controls & Freight Information | NSN 4730-01-290-4916

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
Category Code Description
No Freight Information