The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-081-7273, 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 Bi Technologies Corporation Div Bi Technologies Corp.. Government technical data includes 29 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-081-7273 |
| Primary Part Number | 7221 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — No Item Name Available |
| Manufacturer | Bi Technologies Corporation Div Bi Technologies Corp. |
| Status | ACTIVE |
| Mounting Bushing Length | 0.250 INCHES NOMINAL IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Running Torque | 0.50 INCH-OUNCES IN |
| Shaft Runout | 0.0005 INCHES IN |
| Maximum Stop Torque | 128.00 INCH-OUNCES IN |
| Actuator Type | SINGLE SHAFT |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNEF |
| Lateral Runout | 0.003 INCHES IN |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 SINGLE SECTION |
| Screw Thread Quantity Per Inch | 32.0 |
| Maximum Starting Torque | 0.60 INCH-OUNCES IN |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 MINIMUM |
| Pilot Diameter Runout | 0.001 INCHES IN |
| Shaft End Play | 0.005 INCHES IN |
| Shaft Radial Play | 0.003 INCHES IN |
| Bearing Type | SLEEVE SHAFT |
| Rotary Actuator Travel in Angular Deg | 3600.0 MINIMUM |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 85.0 SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TURRET |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Resistance Tolerance Per Section in Percent | -3.0 TO 3.0 SINGLE SECTION |
| Electrical Resistance Per Section | 125.0 KILOHMS SINGLE SECTION |
| Actuator Travel Control Feature | STOPS |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Power Dissipation Rating Per Section in Watts | 1.5 FREE AIR SINGLE SECTION |
| Section Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7221 PRIMARY | Bi Technologies Corporation Div Bi Technologies Corp. (USA) |
| 563637-000 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 3149321 | Naval Sea Systems Command (USA) |
| 7221R125KL 0.25 | Bi Technologies Corporation Div Bi Technologies Corp. (USA) |
NSN 5905-00-081-7273 is a Resistor,variable,wire Wound,pre, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905 (No Item Name Available). Status: active.
NSN 5905-00-081-7273 has 4 cross-referenced part numbers: 7221 (Bi Technologies Corporation Div Bi Technologies Corp.), 563637-000 (Lockheed Martin Corporation Div Rms - Mitchel Field), 3149321 (Naval Sea Systems Command), 7221R125KL 0.25 (Bi Technologies Corporation Div Bi Technologies Corp.).
There are 12 known substitutes for 5905-00-081-7273: 1650-00-138-2779, 3110-00-155-6812, 6210-00-496-2501 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7221: Mounting Bushing Length: 0.250 INCHES NOMINAL IN; Overall Length: 2.145 INCHES NOMINAL IN; Mounting Method: STANDARD BUSHING; Maximum Running Torque: 0.50 INCH-OUNCES IN. 30 total characteristics are documented in the Federal Logistics Information System.