The Resistor,fixed,composition, cataloged under National Stock Number 5905-00-453-2030, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo Uk Ltd. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-453-2030 |
| Primary Part Number | XRX1890 |
| Item Name | Resistor,fixed,composition |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Leonardo Uk Ltd |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -5.000 TO 5.000 |
| Body Diameter | 0.105 INCHES NOMINAL IN |
| Electrical Resistance | 390.000 KILOHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Terminal Length | 1.000 INCHES NOMINAL IN |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.200 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 | 130.0 |
| 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 |
|---|---|
| XRX1890 PRIMARY | Leonardo Uk Ltd (GBR) |
| X390K0HMP0RM5PCT PRIMARY | Tyco Electronic Components Ltd (GBR) |
| XL390K0HMP0RM5PCT PRIMARY | Tyco Electronic Components Ltd (GBR) |
| PC66545-44 | Leonardo Uk Ltd (GBR) |
NSN 5905-00-453-2030 is a Resistor,fixed,composition, manufactured by Leonardo Uk Ltd, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-453-2030 has 4 manufacturer part numbers on file: XRX1890 (Leonardo Uk Ltd), X390K0HMP0RM5PCT (Tyco Electronic Components Ltd), XL390K0HMP0RM5PCT (Tyco Electronic Components Ltd), PC66545-44 (Leonardo Uk Ltd).
Key specifications for XRX1890: Resistance Tolerance in Percent: -5.000 TO 5.000; Body Diameter: 0.105 INCHES NOMINAL IN; Electrical Resistance: 390.000 KILOHMS; Inclosure Type: ENCAPSULATED. 12 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.