The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-366-9888, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Clarostat Sensors and Controls. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-366-9888 |
| Primary Part Number | 27M221 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Clarostat Sensors and Controls |
| Status | ACTIVE |
| Electrical Resistance Per Section | 1.0 KILOHMS ALL SECTIONS |
| Section Quantity | 2 |
| Actuator Type | SINGLE SHAFT |
| Power Dissipation Rating Per Section in Watts | 0.2 FREE AIR ALL SECTIONS |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -30.0 TO 30.0 ALL SECTIONS |
| Function Conformity Per Section | ALL SECTIONS ABSOLUTE LINEARITY |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 ALL SECTIONS |
| 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 |
|---|---|
| 27M221 PRIMARY | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| 27M221 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5905-01-366-9888 is a Resistor,variable,nonwire Wound,, manufactured by Clarostat Sensors and Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-366-9888 has 1 manufacturer part number on file: 27M221 (Clarostat Sensors and Controls).
Key specifications for 27M221: Electrical Resistance Per Section: 1.0 KILOHMS ALL SECTIONS; Section Quantity: 2; Actuator Type: SINGLE SHAFT; Power Dissipation Rating Per Section in Watts: 0.2 FREE AIR ALL SECTIONS. 8 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.