The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-378-0895, 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 Servo Instrument Corporation. Government technical data includes 30 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 | 5905-00-378-0895 |
| Primary Part Number | 28A1-2185 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — No Item Name Available |
| Manufacturer | Servo Instrument Corporation |
| Status | ACTIVE |
| Function Conformity Tolerance Per Section | -1.00 TO 1.00 SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Body Length | 0.812 INCHES NOMINAL IN |
| Body Diameter | 1.750 INCHES NOMINAL IN |
| Rotary Actuator Travel in Angular Deg | 330.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 100.0 SINGLE SECTION |
| Mounting Method | THREADED HOLE(S) |
| Actuator Type | DOUBLE ENDED SHAFT |
| Fragility Factor | RUGGED |
| Maximum Starting Torque | 2.50 INCH-OUNCES IN |
| Screw Thread Diameter | 0.138 INCHES NOMINAL IN |
| Bearing Type | BEARING SHAFT |
| Screw Thread Quantity Per Inch | 32.0 |
| Maximum Running Torque | 2.50 INCH-OUNCES IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Effective Electrical Rotation in Deg Angular Rotation | 320.0 NOMINAL |
| Mounting Facility Quantity | 2 |
| Actuator Travel Control Feature | STOPS |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Terminal Type and Quantity | 2 TURRET |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 SINGLE SECTION |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Power Dissipation Rating Per Section in Watts | 5.9 FREE AIR SINGLE SECTION |
| Features Provided | NONMETALLIC SHAFT |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND |
| Body Style | CYLINDRICAL HOLE/SLOT MOUNTED |
| Shaft Length | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5905-00-378-0895 is a Resistor,variable,wire Wound,pre, manufactured by Servo Instrument Corporation, classified under FSC 5905 (No Item Name Available). Status: active.
NSN 5905-00-378-0895 has 4 cross-referenced part numbers: 28A1-2185 (Servo Instrument Corporation), 973-9713 (Iet Labs Inc), 973M (Genrad Inc), 973-9713 (Genrad Inc).
There is 1 known substitute for 5905-00-378-0895: 3030-00-269-9720. Verify interchangeability with system specifications before substitution.
Key specifications for 28A1-2185: Function Conformity Tolerance Per Section: -1.00 TO 1.00 SINGLE SECTION; Reliability Indicator: NOT ESTABLISHED; Body Length: 0.812 INCHES NOMINAL IN; Body Diameter: 1.750 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.