MILITARY - ENVIRONMENTALLY SEALED SWITCHES Series - 8503, 8504, 8505 MIL-DTL-3950 Lever Lock Switches FEATURES SPECIFICATIONS CURRENT RATINGS No. of Catalog Type of 115 VAC Poles Number Operation 28VDC 60 or 400Hz s Environmentally sealed s Environmentally sealed per MIL-DTL-3950 s 1 2 and 4 pole circuitry s MS approved and 4 PL d per MIL-DTL-3950 Lamp Resistive Inductive Lamp Resistive Inductive s 2 3 position with s Thermoset molding materials meet Load Load Load Load Load Load maintained and momentary action flame retardant requirements s Locking actuator for safety s Bushing: 15 32 - 32 thread 1 8503 Maintained 5 20 15 3 15 10 s Molded-in terminal inserts and s Temperature Range: -85 F to 160 F -65 C to 71 C Momentary 4 15 10 2 15 7 terminal numbers s Life: 20 000 operations at rated load 2 8504 Maintained 7 20 15 4 15 15 40,000 operations mechanical life Momentary518 10211 8 4 8505 Maintained 5 20 12 4 15 15 Momentary418 10211 8 Minimum Rating: Intermediate Current per MIL-DTL-3950. LEVER LOCK SELECTION TABLE 8504 8505 8503 CIRCUIT WITH LEVER IN . ONE POLE TWO POLE FOUR POLE Up Center Down Position Lever Position Position (Keyway) M Lock Flush Screw Terminals Flush Screw Terminals Flush Screw Terminals Bushing Catalog MS Part Catalog MS Part MS Part Catalog Style Number Number Number Number Number Number ON J MS24658-21A 8503K1 MS24659-21A 8504K1 MS24660-21A 8505K1 OFF J ON A ON OFF J ON B -21B K27 -21B K27 -21B K27 ON J -21D K5 -21D K5 -21D K5 OFF ON D ON OFF J ON E -21E K2 -21E K2 -21E K2 ON J -21F K28 -21F K28 -21F K28 OFF ON F ON OFF ON G MS24658-21G 8503K3 MS24659-21G 8504K3 MS24660-21G 8505K3 ON J -21H K29 -21H K29 -21H K29 OFF J ON H ON OFF ON J -21J K30 -21J K30 -21J K30 ON J -21K K31 -21K K31 -21K K31 OFF J ON K ON OFFJ ON L -21L K32 -21L K32 -21L K32 ON J MS24658-21M 8503K33 MS24659-21M 8504K33 MS24660-21M 8505K33 OFF ON M ON OFF ON N -21N K4 -21N K4 -21N K4 ON -21P K34 -21P K34 -21P K34 OFF J ON P ON J NONE OFF D -22D K10 -22D K10 -22D K10 ON J -22F K35 -22F K35 -22F K35 NONE OFF F ON NONE OFF G MS24658-22G 8503K9 MS24659-22G 8504K9 MS24660-22G 8505K9 ON J -23D K6 -23D K6 -23D K6 NONE ON D ON J NONE ON F -23F K36 -23F K36 -23F K36 ON -23G K7 -23G K7 -23G K7 NONE ON G ON OFF NONE E -24E K16 -24E K16 -24E K16 ON J MS24658-24F 8503K37 MS24659-24F 8504K37 MS24660-24F 8505K37 OFF NONE F ON J OFF NONE K -24K K38 -24K K38 -24K K38 ON J -24M K11 -24M K11 -24M K11 OFF NONE M ON J NONE ON * F -26F K20 -26F K20 -26F K20 * ON MS24658-27E 8503K12 MS24659-27E 8504K12 MS24660-27E 8505K12 OFF J ON * E * ON OFF J ON * L -27L K39 -27L K39 -27L K39 * ON -27N K14 -27N K14 -27N K14 OFF ON * N NONE OFF J ON * E -28E K15 -28E K15 -28E K15 ON J -29F K21 -29F K21 -29F K21 NONE OFF* F OFFJ NONE ON * F MS24658-30F 8503K19 MS24659-30F 8504K19 MS24660-30F 8505K19 ON -31E K18 -31E K18 -31E K18 OFF J ON * E ON J OFF ON * F -31F K40 -31F K40 -31F K40 ON J -31K K41 -31K K41 -31K K41 OFF J ON * K ON OFF J ON * L -31L K13 -31L K13 -31L K13 * Momentary contact. J Indicates direction against which lever is locked. See page A71 for circuit diagrams. M Reference bushing styles on page A26. A23 I I I I I I I I I I I I I I I I I I I I I I I I MILITARY - ENVIRONMENTALLY SEALED SWITCHES Series - 8503, 8504, 8505 MIL-DTL-3950 Lever Lock Switches LEVER LOCK SELECTION TABLE, CONT D 8504 8505 8503 CIRCUIT WITH LEVER IN . ONE POLE FOUR POLE TWO POLE Up Center Down Position Lever Position Position (Keyway) Flush Screw Terminals Flush Screw Terminals Flush Screw Terminals M Lock Bushing MS Part Catalog MS Part Catalog MS Part Catalog Style Number Number Number Number Number Number ONJ OFF ON * M MS24658-31M 8503K17 MS24659-31M 8504K17 MS24660-31M 8505K17 ON OFF ON * N -31N K8 -31N K8 -31N K8 * ON ON NONE E -32E K23 -32E K23 -32E K23 ON NONE K24 ON E -33E K24 -33E K24 -33E ONJ ON NONE F -33F K25 -33F K25 -33F K25 ONJ ON NONE 8504K26 8505K26 K MS24658-33K 8503K26 MS24659-33K MS24660-33K ONJ ON NONE M -33M K42 -33M K42 -33M K42 ONJ ON J ON A MS27408-1A K43 MS27409-1A K43 ON ON J ON B -1B K44 -1B K44 ONJ ON ON D -1D K45 -1D K45 ON J ON 8505K46 ON E MS27408-1E 8504K46 MS27409-1E ONJ ON ON F -1F K47 -1F K47 ON ON ON K48 K48 G -1G -1G ONJ ONJ ON H -1H K49 -1H K49 ON ON ON J -1J K50 -1J K50 ONJ ON J ON K MS27408-1K 8504K51 MS27409-1K 8505K51 ON ONJ ON L -1L K52 -1L K52 ON ON K53 ONJ M -1M K53 -1M ON ON ON N -1N K54 -1N K54 ON ONJ ON K55 K55 P -1P -1P ON ON J ON* E MS27408-2E 8504K56 MS27409-2E 8505K56 ONJ ON ON* F -2F K57 -2F K57 ONJ ON J ON* K -2K K58 -2K K58 ON ONJ ON* L -2L K59 -2L K59 ON ON* K60 ONJ M -2M K60 -2M ON ON ON* N MS27408-2N 8504K61 MS27409-2N 8505K61 * ON ON J ON* K62 E -3E K62 -3E * ON ONJ ON* L -3L K63 -3L K63 * ON ON ON* N -3N K64 -3N K64 ONJ ON J ON A -4A K65 ON ON J ON B MS27408-4B 8504K66 ON ON ONJ D -4D K67 ON ON J ON E -4E K68 ONJ ON ON F -4F K69 ON ON ON G -4G K70 ONJ ON J ON H MS27408-4H 8504K71 ON ON ON J -4J K72 ONJ ON J ON K -4K K73 ONJ ON ON L -4L K74 ONJ ON ON M -4M K75 ON ON ON N MS27408-4N 8504K76 ON ONJ ON P -4P K77 ON ON J ON* E -5E K78 ONJ ON ON* F -5F K79 ONJ ON J ON* K -5K K80 ONJ ON* ON L MS27408-5L 8504K81 ONJ ON ON* M -5M K82 ON ON ON* N -5N K83 * ON ON J ON* E -6E K84 * ON ONJ ON* -6L K85 L * ON ON ON* N -6N K86 ON ON-OFF J ON B -7B K87 * Momentary contact. J Indicates direction against which lever is locked. See page A71 for circuit diagrams. M Reference bushing styles on page A26. A24 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I