The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-01-108-5139, 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 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-108-5139 |
| Primary Part Number | 66938-28R |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — No Item Name Available |
| Manufacturer | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing |
| Status | ACTIVE |
| Shaft Diameter | 0.375 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 340.0 SINGLE SECTION |
| Mounting Method | THREADED HOLE(S) |
| Rotary Actuator Travel in Angular Deg | 317.0 NOMINAL |
| Electrical Resistance Per Section | 28.0 OHMS SINGLE SECTION |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Actuator Travel Control Feature | STOPS |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Power Dissipation Rating Per Section in Watts | 300.0 FREE AIR SINGLE SECTION |
| Shaft Style | ROUND |
| Shaft Length | 2.000 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL HOLE/SLOT MOUNTED |
| Body Diameter | 6.000 INCHES NOMINAL IN |
| Maximum Running Torque | 16.00 INCH-OUNCES IN |
| Section Quantity | 1 |
| Body Length | 2.188 INCHES NOMINAL IN |
| Overall Diameter | 7.376 INCHES NOMINAL IN |
| Actuator Type | SINGLE SHAFT |
| Mounting Facility Quantity | 2 |
| Mounting Hole/stud Circle Diameter | 2.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Effective Electrical Rotation in Deg Angular Rotation | 317.0 NOMINAL |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Maximum Starting Torque | 16.00 INCH-OUNCES IN |
| Screw Thread Quantity Per Inch | 20.0 |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5905-01-108-5139 is a Resistor,variable,wire Wound,non, manufactured by Ohmite Holding, L.l.c. Dba Ohmite Manufacturing, classified under FSC 5905 (No Item Name Available). Status: active.
NSN 5905-01-108-5139 has 3 cross-referenced part numbers: 66938-28R (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), P39761 (Vishay Angstrohm Precision Inc Dba Vishay Angstrohm), 162210 (U M C Electronics Co).
There are 2 known substitutes for 5905-01-108-5139: 3110-00-100-0617, 6515-01-614-8757. Verify interchangeability with system specifications before substitution.
Key specifications for 66938-28R: Shaft Diameter: 0.375 INCHES NOMINAL IN; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 340.0 SINGLE SECTION; Mounting Method: THREADED HOLE(S); Rotary Actuator Travel in Angular Deg: 317.0 NOMINAL. 30 total characteristics are documented in the Federal Logistics Information System.