The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-052-7502, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Interstate Electronics Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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,wire Wound,pre |
| FSC / FSG | 5905 — Resistor (FSG 59) |
| Manufacturers | L3harris Interstate Electronics Corporation (CAGE 07421); Servo Instrument Corporation (CAGE 19176) |
| Parameter | Value |
|---|---|
| NSN | 5905-00-052-7502 |
| Primary Part Number | 66385 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | L3harris Interstate Electronics Corporation |
| 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 |
|---|---|
| 66385 | L3harris Interstate Electronics Corporation (USA) |
| 14W3-2181 | Servo Instrument Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1200-694-1 | 5/9 Secondary reference Bei Sensors & Systems Company, Inc. Dba Bei Duncan |
| 66385 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-00-052-7502 is a Resistor,variable,wire Wound,pre, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-052-7502 has 2 manufacturer part numbers on file: 66385 (L3harris Interstate Electronics Corporation), 14W3-2181 (Servo Instrument Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 5945-00-588-0865, 4820-00-837-0951, 5330-01-182-5469. 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.