The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-221-0620, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sensor Systems, L.l.c. Dba Sensor Systems Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Sensor Systems, L.l.c. Dba Sensor Systems Llc (CAGE 04454); The Boeing Company (CAGE 8V613) |
| Parameter | Value |
|---|---|
| NSN | 5905-01-221-0620 |
| Primary Part Number | 73441B |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Sensor Systems, L.l.c. Dba Sensor Systems Llc |
| 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 |
|---|---|
| 73441B PRIMARY | Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA) |
| 7-317232341-3 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| CPR10-10003 | 5/9 Secondary reference Sensor Systems, L.l.c. Dba Sensor Systems Llc |
| 7-317232341-3 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 73441 | 5/9 Secondary reference General Dynamics Motion Control Llc |
NSN 5905-01-221-0620 is a Resistor,variable,nonwire Wound,, manufactured by Sensor Systems, L.l.c. Dba Sensor Systems Llc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-221-0620 has 2 manufacturer part numbers on file: 73441B (Sensor Systems, L.l.c. Dba Sensor Systems Llc), 7-317232341-3 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-684-2575. 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.