The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-957-9946, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5905-00-957-9946 |
| Primary Part Number | 311801-2 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Electrical Resistance Per Section | 200.0 OHMS SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.083 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES |
| Terminal Length | 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.220 INCHES NOMINAL IN |
| Body Height | 0.500 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Terminal Location | RIGHT ADJACENT SIDE SINGLE ROW LOCATION NOT OTHERWISE SPECIFIED |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 0.520 INCHES NOMINAL IN |
| Center to Center Distance Between Terminal Rows | 0.100 INCHES NOMINAL IN |
| Shaft Length | 0.030 INCHES NOMINAL IN |
| Body Length | 0.500 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.75 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| 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 |
|---|---|
| 311801-2 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| 311801 | D/9 Drawing number reference only L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| RT22C2P201 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5905-00-957-9946 is a Resistor,variable,wire Wound,non, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-957-9946 has 1 manufacturer part number on file: 311801-2 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-990-5398, 1560-01-287-3201. Verify interchangeability with system specifications before substitution.
Key specifications for 311801-2: Overall Height: 0.500 INCHES NOMINAL IN; Electrical Resistance Per Section: 200.0 OHMS SINGLE SECTION; Section Quantity: 1; Mounting Facility Quantity: 2. 23 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.