5905-00-960-4266 (RL21F1P0RM5PCT)
NSN 5905-00-960-4266 (NIIN 00-960-4266) is a thermal resistor in Federal Supply Class 5905, Resistor — a thermally sensitive resistor whose primary function is to exhibit a change in electrical resistance with a change in body temperature. Manufacturer part number RL21F1P0RM5PCT (Keystone Carbon Co Inc, CAGE 75263); also referenced as PC4913 (Rockwell Collins, Inc.).
Key specs: 880 mW power dissipation; 7 power dissipation constant in milliwatts per deg celsius; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required); unit of issue EA (each), $4.97 gov standard price; export Schedule B 8533.40.0080.