The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-987-3111, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 25 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 | 5905-00-987-3111 |
| Primary Part Number | 9997820 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Electrical Resistance Per Section | 20.0 KILOHMS ALL SECTIONS |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 175.0 ALL SECTIONS |
| Section Quantity | 2 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.1871 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | RECTANGULAR |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 ALL SECTIONS |
| Mounting Method | SLOT |
| Body Width | 0.655 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Body Height | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 ALL SECTIONS |
| Terminal Location | REAR END LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Body Length | 3.155 INCHES MINIMUM AND 3.185 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR ALL SECTIONS |
| Reliability Indicator | NOT ESTABLISHED |
| Test Data Document | 18876-9997820 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 ALL SECTIONS |
| Terminal Type and Quantity | 7 WIRE LEAD |
| Function Conformity Per Section | ALL SECTIONS INDEPENDENT LINEARITY |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 ALL SECTIONS |
| Mounting Slot Width | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 9997820 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5905-00-987-3111 is a Resistor,variable,wire Wound,pre, manufactured by Us Army Aviation and Missile Command, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-987-3111 has 1 manufacturer part number on file: 9997820 (Us Army Aviation and Missile Command).
Key specifications for 9997820: Overall Height: 1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN; Electrical Resistance Per Section: 20.0 KILOHMS ALL SECTIONS; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 175.0 ALL SECTIONS; Section Quantity: 2. 25 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.