The Resistor,fixed,film, cataloged under National Stock Number 5905-01-239-5900, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Roederstein Electronics Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-239-5900 |
| Primary Part Number | MK2-2.21OHMSPORM1PCT |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Roederstein Electronics Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -50.0 TO 50.0 |
| Body Diameter | 0.098 INCHES NOMINAL IN |
| Electrical Resistance | 2.210 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Terminal Length | 1.000 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 175.0 |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.100 FREE AIR |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Unpackaged Unit Weight | 0.2 GRAMS G |
| Body Length | 0.236 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 175.0 |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MK2-2.21OHMSPORM1PCT PRIMARY | Roederstein Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| MK2 2.21 0HMS | C/1 Advisory reference — outside the item-of-supply concept Stettner Electronics Inc |
NSN 5905-01-239-5900 is a Resistor,fixed,film, manufactured by Roederstein Electronics Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-239-5900 has 1 manufacturer part number on file: MK2-2.21OHMSPORM1PCT (Roederstein Electronics Inc).
Key specifications for MK2-2.21OHMSPORM1PCT: Resistance Tolerance in Percent: -1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -50.0 TO 50.0; Body Diameter: 0.098 INCHES NOMINAL IN; Electrical Resistance: 2.210 OHMS. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.