The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-01-121-7781, 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 Omtronics Mfg Co Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-121-7781 |
| Primary Part Number | TR-3 330 0HM |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — No Item Name Available |
| Manufacturer | Omtronics Mfg Co Inc |
| Status | ACTIVE |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Reliability Indicator | NOT ESTABLISHED |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Terminal Length | 2.000 INCHES NOMINAL IN |
| Terminal Type | WIRE LEAD |
| Body Length | 0.625 INCHES NOMINAL IN |
| Power Dissipation Rating in Watts | 4.000 FREE AIR |
| Body Diameter | 0.250 INCHES NOMINAL IN |
| Inclosure Type | ENCAPSULATED |
| Temp Range of Temp Coefficient in Deg Celsius | -65.0 TO 275.0 |
| Electrical Resistance | 332.000 OHMS |
| Unpackaged Unit Weight | 2.300 GRAMS G |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -20.0 TO 20.0 |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Style Designator | RADIAL TERMINAL EACH END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| TR-3 330 0HM | Omtronics Mfg Co Inc (USA) |
| TR-3-3320F | Omtronics Mfg Co Inc (USA) |
| 139A905429 | L3 Technologies, Inc. Div L3 Keo (USA) |
| TR-3 | Omtronics Mfg Co Inc (USA) |
NSN 5905-01-121-7781 is a Resistor,fixed,wire Wound,induct, manufactured by Omtronics Mfg Co Inc, classified under FSC 5905 (No Item Name Available). Status: active.
NSN 5905-01-121-7781 has 4 cross-referenced part numbers: TR-3 330 0HM (Omtronics Mfg Co Inc), TR-3-3320F (Omtronics Mfg Co Inc), 139A905429 (L3 Technologies, Inc. Div L3 Keo), TR-3 (Omtronics Mfg Co Inc).
There are 10 known substitutes for 5905-01-121-7781: 3120-00-453-6221, 3110-00-516-5413, 3120-00-780-9567 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for TR-3 330 0HM: Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC; Reliability Indicator: NOT ESTABLISHED; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 275.0; Terminal Length: 2.000 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.