The Resistor,fixed,film, cataloged under National Stock Number 5905-00-243-7961, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Texas Instruments Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-243-7961 |
| Primary Part Number | RN55D4222F |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Texas Instruments Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -500.0 TO 200.0 |
| Body Diameter | 0.109 INCHES NOMINAL IN |
| Electrical Resistance | 42.200 KILOHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 165.0 |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.125 FREE AIR |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Body Length | 0.250 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 165.0 |
| Test Data Document | 99251-1624935 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| 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 |
|---|---|
| RN55D4222F | Texas Instruments Inc (USA) |
| RN55D4222F | North American Philips Corp Philips Components Discrete Products Div (USA) |
| Reference | Meaning |
|---|---|
| RN55D4222F | 5/9 Secondary reference U.S. Government activity |
| 1624935-349 | 3/2 Design control — primary reference U.S. Government activity |
| RN55D4222F | 5/9 Secondary reference Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div |
NSN 5905-00-243-7961 is a Resistor,fixed,film, manufactured by Texas Instruments Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-243-7961 has 2 manufacturer part numbers on file: RN55D4222F (Texas Instruments Inc), RN55D4222F (North American Philips Corp Philips Components Discrete Products Div).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-965-9114. Verify interchangeability with system specifications before substitution.
Key specifications for RN55D4222F: Resistance Tolerance in Percent: -1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -500.0 TO 200.0; Body Diameter: 0.109 INCHES NOMINAL IN; Electrical Resistance: 42.200 KILOHMS. 13 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.