The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-810-5312, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bi Technologies Corporation Div Bi Technologies Corp.. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-810-5312 |
| Primary Part Number | A300-300 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bi Technologies Corporation Div Bi Technologies Corp. |
| Status | ACTIVE |
| Maximum Running Torque | 1.50 INCH-OUNCES IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 300.000 OHMS 1ST SECTION |
| Section Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 SINGLE SECTION |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 2.00 INCH-OUNCES IN |
| Features Provided | GROUNDED CONTACT ARM AND NONMETALLIC SHAFT |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -3.0 TO 3.0 SINGLE SECTION |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 3600.0 NOMINAL |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Mounting Bushing Length | 0.250 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 SINGLE SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A300-300 PRIMARY | Bi Technologies Corporation Div Bi Technologies Corp. (USA) |
NSN 5905-00-810-5312 is a Resistor,variable,wire Wound,pre, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-810-5312 has 1 manufacturer part number on file: A300-300 (Bi Technologies Corporation Div Bi Technologies Corp.).
Key specifications for A300-300: Maximum Running Torque: 1.50 INCH-OUNCES IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 300.000 OHMS 1ST SECTION; Section Quantity: 2. 24 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.