The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-104-3120, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Sprague Inc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5905-00-104-3120 |
| Primary Part Number | 534B5K |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Sprague Inc |
| Status | CANCELLED |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 5.000 KILOHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Function Conformity Tolerance Per Section | -0.20 TO 0.20 SINGLE SECTION |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.80 INCH-OUNCES IN |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.812 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -3.0 TO 3.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 3600.0 NOMINAL |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 40.0 SINGLE SECTION |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3500S-2-502 | Bourns Ltd (GBR) |
| 3500S-2-502 | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
| 534B5K PRIMARY | Vishay Sprague Inc (USA) |
| 66R5KL.2 | Ashland Chemical Co Div of Ashland Oil Inc (USA) |
| Reference | Meaning |
|---|---|
| 3500S502 | 5/9 Secondary reference U.S. Government activity |
| 960749 | D/9 Drawing number reference only U.S. Government activity |
| GR816CY502B | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 3500S-2-502 | 5/9 Secondary reference Bourns Inc |
| 3500S2-502 | 5/9 Secondary reference U.S. Government activity |
| 7266R5KL0-2 | 5/9 Secondary reference Bi Technologies Corporation Div Bi Technologies Corp. |
| 2296521P2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 960749-5 | 1/2 Source control — Government-approved source U.S. Government activity |
| MF78-6024 | 5/9 Secondary reference Bunker Ramo Corp Amphenol Controls Div |
| ASC1560049 | 5/9 Secondary reference Asc Pty Ltd |
| 3500S-2-502 | 5/9 Secondary reference Kintronic Laboratories Inc |
| 184-065-000 | 5/9 Secondary reference Perkin-Elmer Corp the Plasm Products Div |
NSN 5905-00-104-3120 is a Resistor,variable,wire Wound,non, manufactured by Vishay Sprague Inc, classified under FSC 5905, Resistor. Status: cancelled.
NSN 5905-00-104-3120 has 4 manufacturer part numbers on file: 3500S-2-502 (Bourns Ltd), 3500S-2-502 (Bourns, Inc. Dba Bourns Sensor Controls), 534B5K (Vishay Sprague Inc), 66R5KL.2 (Ashland Chemical Co Div of Ashland Oil Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5315-00-527-8619, 5905-01-316-9322. Verify interchangeability with system specifications before substitution.
Key specifications for 534B5K: Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 5.000 KILOHMS SINGLE SECTION; Section Quantity: 1; Shaft Diameter: 0.250 INCHES NOMINAL IN. 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.
NSN 5905-00-104-3120 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.