The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-317-1773, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Piher Intl Corp. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-317-1773 |
| Primary Part Number | MTC23L4A |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Piher Intl Corp |
| Status | ACTIVE |
| Electrical Resistance Per Section | 2.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 100.0 SINGLE SECTION |
| Section Quantity | 1 |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR |
| Mounting Method | TAB |
| Body Width | 15.0 MILLIMETERS NOMINAL MM |
| Body Height | 18.5 MILLIMETERS NOMINAL MM |
| Terminal Location | REAR END |
| Actuator Type | FLUSH DRIVE WITH SLOT-HOLE |
| Body Length | 6.0 MILLIMETERS NOMINAL MM |
| Power Dissipation Rating Per Section in Watts | 0.25 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 220.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 240.0 NOMINAL |
| 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 |
|---|---|
| MTC23L4A PRIMARY | Piher Intl Corp (USA) |
| Reference | Meaning |
|---|---|
| MTC23L4A | C/1 Advisory reference — outside the item-of-supply concept Yosemite Investment Inc Dba North American Capacitor Co |
NSN 5905-01-317-1773 is a Resistor,variable,nonwire Wound,, manufactured by Piher Intl Corp, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-317-1773 has 1 manufacturer part number on file: MTC23L4A (Piher Intl Corp).
Key specifications for MTC23L4A: Electrical Resistance Per Section: 2.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 100.0 SINGLE SECTION; Section Quantity: 1; Fragility Factor: MODERATELY RUGGED. 19 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.