The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-01-231-7856, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Shallcross Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-231-7856 |
| Primary Part Number | PR49S18-403 |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — No Item Name Available |
| Manufacturer | Shallcross Inc |
| Status | ACTIVE |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -20.0 TO 20.0 |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Body Length | 0.437 INCHES MAXIMUM IN |
| Reactance Characteristic | NONINDUCTIVE |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Body Diameter | 0.059 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Power Dissipation Rating in Watts | 2.250 FREE AIR |
| Terminal Length | 1.250 INCHES MINIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Inclosure Type | ENCASED |
| Electrical Resistance | 1.500 KILOHMS |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| EGS-3-40-403 | Vishay Dale Electronics, Llc Div Vishay Americas (USA) |
| PR49S18-403 PRIMARY | Shallcross Inc (USA) |
| EGS-3-40 1.5K OHMS 1% PRIMARY | Vishay Dale Electronics, Llc Div Vishay Americas (USA) |
| 443-1849-403 | The Boeing Company Div Legacy Boeing Hb1 (USA) |
NSN 5905-01-231-7856 is a Resistor,fixed,wire Wound, manufactured by Shallcross Inc, classified under FSC 5905 (No Item Name Available). Status: active.
NSN 5905-01-231-7856 has 4 cross-referenced part numbers: EGS-3-40-403 (Vishay Dale Electronics, Llc Div Vishay Americas), PR49S18-403 (Shallcross Inc), EGS-3-40 1.5K OHMS 1% (Vishay Dale Electronics, Llc Div Vishay Americas), 443-1849-403 (The Boeing Company Div Legacy Boeing Hb1).
There is 1 known substitute for 5905-01-231-7856: 5905-01-117-0555. Verify interchangeability with system specifications before substitution.
Key specifications for PR49S18-403: Temp Coefficient of Resistance in Ppm Per Deg Celsius: -20.0 TO 20.0; Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC; Body Length: 0.437 INCHES MAXIMUM IN; Reactance Characteristic: NONINDUCTIVE. 14 total characteristics are documented in the Federal Logistics Information System.