The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-299-1978, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-299-1978 |
| Primary Part Number | 8 1-2D18RIBFLEX |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -10.000 TO 10.000-10.000 TO 10.000 |
| Electrical Resistance | 18.000 OHMS18.000 OHMS |
| Inclosure Type | ENCAPSULATEDENCAPSULATED |
| Terminal Type | TAB W/SCREW |
| Terminal Length | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN |
| Style Designator | RADIAL TERMINAL EACH END |
| Section Nominal Resistance | 9.000 OHMS EACH SECTION |
| Power Dissipation Rating in Watts | 300.000 FREE AIR300.000 FREE AIR |
| Ambient Temp at Full Rated Power | 40.0 CELSIUS40.0 CELSIUS DEGC |
| Body Length | 8.500 INCHES NOMINAL8.500 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 415.0415.0 |
| Fixed Tap Terminal Type | TAB W/SCREW |
| Fixed Tap Quantity | 11 |
| Reliability Indicator | NOT ESTABLISHEDNOT ESTABLISHED |
| Terminal Width | 0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN |
| 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 |
|---|---|
| 8 1-2D18RIBFLEX PRIMARY | Ward Leonard Ct Llc (USA) |
| 19469CPCSP3G PRIMARY | Ward Leonard Ct Llc (USA) |
| 7023F15SH13ITEM1D PRIMARY | General Electric Company (USA) |
| 25450-2-18 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 93105-6201-909529PCSP3G | 3/2 Design control — primary reference U.S. Government activity |
| 4111-1383562ITEM10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-00-299-1978 is a Resistor,fixed,wire Wound,induct, manufactured by Ward Leonard Ct Llc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-299-1978 has 4 manufacturer part numbers on file: 8 1-2D18RIBFLEX (Ward Leonard Ct Llc), 19469CPCSP3G (Ward Leonard Ct Llc), 7023F15SH13ITEM1D (General Electric Company), 25450-2-18 (Ward Leonard Ct Llc).
Key specifications for 8 1-2D18RIBFLEX: Resistance Tolerance in Percent: -10.000 TO 10.000-10.000 TO 10.000; Electrical Resistance: 18.000 OHMS18.000 OHMS; Inclosure Type: ENCAPSULATEDENCAPSULATED; Terminal Type: TAB W/SCREW. 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.