MILITARY--ENVIRONMENTALLY SEALED SWITCHES Series--8503, 8504, 8505 FEATURES * Environmentally sealed * 1, 2, and 4 pole circuitry * 2 & 3 position with maintained and momentary action * Locking actuator for safety * Molded-in terminal inserts and terminal numbers MIL-S-3950 Lever Lock Switches SPECIFICATIONS * Environmentally sealed per MIL-S-3950 * MS approved and QPL'd per MIL-S-3950 * Thermoset molding materials meet flame retardant requirements of * Bushing: 15/32" - 32 thread * Temperature Range: -85F to +160F (-65C to +71C) * Life: 20,000 operations at rated load 40,000 operations mechanical life CURRENT RATINGS No. of Catalog Type of Poles Number Operation 1 8503 2 8504 4 8505 Maintained Momentary Maintained Momentary Maintained Momentary 28VDC Lamp Resistive Inductive Load Load Load 5 20 15 4 15 10 7 20 15 5 18 10 5 20 12 4 18 10 115VAC 60 or 400Hz Lamp Resistive Inductive Load Load Load 3 15 10 2 15 7 4 15 15 2 11 8 4 15 15 2 11 8 Minimum Rating: "Intermediate Current" per MIL-S-3950 LEVER LOCK SELECTION T ABLE CIRCUIT WITH LEVER IN... Up Position ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON NONE ON OFF ON ON ON ON * * * Center Position OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF NONE NONE NONE NONE NONE NONE OFF OFF OFF OFF OFF NONE OFF OFF OFF OFF NONE NONE OFF OFF OFF OFF * Down Position (Keyway) ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF OFF ON ON ON NONE NONE NONE NONE NONE ON ON ON ON ON OFF ON ON ON ON ON * * * * * * * * * * * Lever Lock Bushing Style A B D E F G H J K L M N P D F G D F G E F K M F F E L N E F F E F K L Momentary contact. * Indicates direction against which lever is locked. 8503 8504 ONE POLE TWO POLE FOUR POLE Flush Screw Terminals MS Part Catalog Number Number Flush Screw Terminals MS Part Catalog Number Number Flush Screw Terminals MS Part Catalog Number Number MS24658-21A -21B -21D -21E -21F MS24658-21G -21H -21J -21K -21L MS24658-21M -21N -21P -22D -22F MS24658-22G -23D -23F -23G -24E MS24658-24F -24K -24M -25F -26F MS24658-27E -27L -27N -28E -29F MS24658-30F -31E -31F -31K -31L 8503K1 K27 K5 K2 K28 8503K3 K29 K30 K31 K32 8503K33 K4 K34 K10 K35 8503K9 K6 K36 K7 K16 8503K37 K38 K11 K22 K20 8503K12 K39 K14 K15 K21 8503K19 K18 K40 K41 K13 MS24659-21A -21B -21D -21E -21F MS24659-21G -21H -21J -21K -21L MS24659-21M -21N -21P -22D -22F MS24659-22G -23D -23F -23G -24E MS24659-24F -24K -24M -25F -26F MS24659-27E -27L -27N -28E -29F MS24659-30F -31E -31F -31K -31L See page 73 for circuit diagrams. Reference bushing styles on Page 34. 8504K1 K27 K5 K2 K28 8504K3 K29 K30 K31 K32 8504K33 K4 K34 K10 K35 8504K9 K6 K36 K7 K16 8504K37 K38 K11 K22 K20 8504K12 K39 K14 K15 K21 8504K19 K18 K40 K41 K13 8505 MS24660-21A -21B -21D -21E -21F MS24660-21G -21H -21J -21K -21L MS24660-21M -21N -21P -22D -22F MS24660-22G -23D -23F -23G -24E MS24660-24F -24K -24M -25F -26F MS24660-27E -27L -27N -28E -29E MS24660-30F -31E -31F -31K -31L 8505K1 K27 K5 K2 K28 8505K3 K29 K30 K31 K32 8505K33 K4 K34 K10 K35 8505K9 K6 K36 K7 K16 8505K37 K38 K11 K22 K20 8505K12 K39 K14 K15 K21 8505K19 K18 K40 K41 K13 MILITARY--ENVIRONMENTALLY SEALED SWITCHES Series--8503, 8504, 8505 MIL-S-3950 Lever Lock Switches LEVER LOCK SELECTION TABLE, CON'T. CIRCUIT WITH LEVER IN... Up Position Center Position ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON OFF OFF ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON * * * * * * * Down Position (Keyway) ON ON NONE NONE NONE NONE NONE ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON * * * * * * * * * * * * * * * * * * * * Lever Lock Bushing Style M N E E F K M A B D E F G H J K L M N P E F K L M N E L N A B D E F G H J K L M N P E F K L M N E L N B Momentary contact. Indicates direction against which lever is locked. See page 73 for circuit diagrams. Reference bushing styles on Page 34. * 8503 8504 ONE POLE TWO POLE FOUR POLE Flush Screw Terminals MS Part Catalog Number Number Flush Screw Terminals MS Part Catalog Number Number Flush Screw Terminals MS Part Catalog Number Number MS24658-31M -31N -32E -33E -33F MS24658-33K -33M - - - 8503K17 K8 K23 K24 K25 8503K26 K42 - - - - - - - - - - - - - - - - - - - - - MS24659-31M -31N -32E -33E -33F MS24659-33K -33M MS27408-1A -1B -1D MS27408-1E -1F -1G 1H -1J MS27408-1K -1L -1M -1N -1P MS27408-2E -2F -2K -2L -2M MS27408-2N -3E -3L -3N -4A MS27408-4B -4D -4E -4F -4G MS27408-4H -4J -4K -4L -4M MS27408-4N -4P -5E -5F -5K MS27408-5L -5M -5N -6E -6L -6N -7B 8504K17 K8 K23 K24 K25 8504K26 K42 K43 K44 K45 8504K46 K47 K48 K49 K50 8504K51 K52 K53 K54 K55 8504K56 K57 K58 K59 K60 8504K61 K62 K63 K64 K65 8504K66 K67 K68 K69 K70 8504K71 K72 K73 K74 K75 8504K76 K77 K78 K79 K80 8504K81 K82 K83 K84 K85 K86 K87 8505 MS24660-31M -31N -32E -33E -33F MS24660-33K -33M MS27409-1A -1B -1D MS27409-1E -1F -1G -1H -1J MS27409-1K -1L -1M -1N -1P MS27409-2E -2F 2K -2L -2M MS27409-2N -3E -3L -3N - 8505K17 K8 K23 K24 K25 8505K26 K42 K43 K44 K45 8505K46 K47 K48 K49 K50 8505K51 K52 K53 K54 K55 8505K56 K57 K58 K59 K60 8505K61 K62 K63 K64 - - - - - - - - - - - MILITARY--ENVIRONMENTALLY SEALED SWITCHES Series--8503, 8504, 8505 MIL-S-3950 Lever Lock Switches MOUNTING DIMENSIONS--ONE POLE / 8503 Terminal Identification MOUNTING DIMENSIONS--TWO POLE / 8504 STANDARD 0.00 = inches [0,0] = mm Mounting dimensions for reference only. Non-functional terminals not supplied. Terminal Identification MILITARY--ENVIRONMENTALLY SEALED SWITCHES Series--8503, 8504, 8505 MIL-S-3950 Lever Lock Switches MOUNTING DIMENSIONS--FOUR POLE / 8505 Terminal Identification Non-functional terminals not supplied. OPTIONS/ACCESSORIES * Special mounting hardware * Mounting hardware furnished assembled * Terminal screws furnished assembled * Substitute sems screws * Special circuits * Panel seal, part number 32-341 (See Accessories and Custom Components section) * Special shaped caps available * Custom wiring harnesses LEVER LOCK - BUSHING STYLES KEYWAY SIDE PANEL CUTOUT DIMENSIONS STANDARD 0.00 = inches [0,0] = mm Mounting dimensions for reference only.