The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-063-6846, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 — Resistor (FSG 59) |
| Manufacturers | Clarostat Sensors and Controls (CAGE 12697) |
| Parameter | Value |
|---|---|
| NSN | 5905-00-063-6846 |
| Primary Part Number | FR503M |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Clarostat Sensors and Controls |
| Status | ACTIVE |
| 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 |
|---|---|
| FR503M | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| 311-497 | 5/9 Secondary reference U.S. Government activity |
| FR503M | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| 406-3884 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 311-0497-00 | 3/2 Design control — primary reference U.S. Government activity |
| TK0497 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-063-6846 is a Resistor,variable,nonwire Wound,, manufactured by Clarostat Sensors and Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-063-6846 has 1 manufacturer part number on file: FR503M (Clarostat Sensors and Controls).
2 possible matches (shared part number, not a government interchangeability claim): 2840-00-547-5646, 5340-01-322-4595. Verify interchangeability with system specifications before substitution.
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.