5905-00-766-8221 (352250002205)
NSN 5905-00-766-8221 (NIIN 00-766-8221) is a film fixed resistor in Federal Supply Class 5905, Resistor — a resistor whose ohmic value cannot be adjusted or varied. Manufacturer part number 352250002205 (Thales Nederland, CAGE H0203); also referenced as MILR10509-7, RN55D21R5F (Military Specifications).
Key specs: 21.500 ohms electrical resistance; -1 to 1 resistance tolerance in percent; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); ESD/EMI-sensitive; export Schedule B 8533.10.0042. Related NSN 5905-00-232-9844.