4PIN Pipe-Thread Conduit Entry, 1 Normally Open / 1 Normally Closed (1 NO / 1 NC) Dual-Break Contacts, Heavy-Duty Lever-Actuated Oil-Tight Limit Switch, NEMA 4/13 Environmental Shielding, -18°C to +110°C Industrial Operational Window | Heavy industrial-grade modular control panel position switch manufactured by Allen-Bradley featuring a spring-return rotary operating head and an oil-resistant compression rubber gasket layout, built to attenuate line surge shocks and cleanly isolate motor drive pathways during machine limit status changes | Industry Exact Equivalents: Allen-Bradley 802T-A, Rockwell Automation 802T-A, A-B 802T-A | Industry Functional Cross-References: Square D 9007C54B2, Honeywell LSA1A, Eaton E50AR1 | Military Specification National Stock Number (NSN): 5930-00-111-5507