4030-01-255-2753 (F564077001020002)
NSN 4030-01-255-2753 (NIIN 01-255-2753) is a wire rope socket in Federal Supply Class 4030, Fittings For Rope, Cable, And Chain — a funnel-shaped receptacle or basket, designed to hold the end of an item when secured by molten metal or by a wedge. Manufacturer part number F564077001020002 (Fernandez Jove Comercial E, CAGE 9789B); also referenced as S-421-1/2 (Amz Alabama Inc.); S421T 1/2" (The Crosby Group LLC).
Key specs: wedge; full characteristics table below. NIIN assigned May 1987; DEMIL A (none required); unit of issue EA (each), $115.82 gov standard price; export Schedule B 7312.10.5500; ships at 5.96 lb / 0.0523 cu ft.