The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-131-9820, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lenco Dba Nlc Inc Electronis Div. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-131-9820 |
| Primary Part Number | 1720500 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lenco Dba Nlc Inc Electronis Div |
| Status | ACTIVE |
| Maximum Running Torque | 5.00 INCH-OUNCES IN |
| Electrical Resistance Per Section | 50.0 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR |
| Terminal Length | 0.180 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Body Width | 0.375 INCHES NOMINAL IN |
| Body Height | 0.375 INCHES NOMINAL IN |
| Maximum Starting Torque | 5.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -100.0 TO 100.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Features Provided | HUMIDITY PROOF |
| Actuator Type | FLUSH DRIVE WITH SLOT-HOLE |
| Center to Center Distance Between Terminal Rows | 0.100 INCHES NOMINAL IN |
| Body Length | 0.187 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 262.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Cubic Measure | 0.026 CUBIC INCHES |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Rotary Actuator Travel in Angular Deg | 360.0 NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5905-01-131-9820 is a Resistor,variable,nonwire Wound,, manufactured by Lenco Dba Nlc Inc Electronis Div, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-131-9820 has 2 manufacturer part numbers on file: 1720500 (Lenco Dba Nlc Inc Electronis Div), 72XR50 (Bi Technologies Corporation Div Bi Technologies Corp.).
1 possible match (shared part number, not a government interchangeability claim): 6630-01-338-6204. Verify interchangeability with system specifications before substitution.
Key specifications for 1720500: Maximum Running Torque: 5.00 INCH-OUNCES IN; Overall Height: 0.375 INCHES NOMINAL IN; Electrical Resistance Per Section: 50.0 OHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION. 27 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.