The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-503-7720, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sprague Electric Co World Hqs. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-503-7720 |
| Primary Part Number | 310E-2.5KOHMPORM1PCT |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Sprague Electric Co World Hqs |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -30.0 TO 30.0 |
| Body Diameter | 0.520 INCHES NOMINAL IN |
| Electrical Resistance | 2.500 KILOHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Temp Range of Temp Coefficient in Deg Celsius | -65.0 TO 145.0 |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.250 FREE AIR |
| Ambient Temp at Full Rated Power | 125.0 CELSIUS DEGC |
| Body Length | 0.520 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 145.0 |
| 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 |
|---|---|
| 310E-2.5KOHMPORM1PCT PRIMARY | Sprague Electric Co World Hqs (USA) |
| Reference | Meaning |
|---|---|
| RW20V1R0 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 956018-63 | 5/2 Secondary reference U.S. Government activity |
NSN 5905-00-503-7720 is a Resistor,fixed,wire Wound,induct, manufactured by Sprague Electric Co World Hqs, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-503-7720 has 1 manufacturer part number on file: 310E-2.5KOHMPORM1PCT (Sprague Electric Co World Hqs).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-503-7722. Verify interchangeability with system specifications before substitution.
Key specifications for 310E-2.5KOHMPORM1PCT: Resistance Tolerance in Percent: -1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -30.0 TO 30.0; Body Diameter: 0.520 INCHES NOMINAL IN; Electrical Resistance: 2.500 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.