The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-012-8905, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-012-8905 |
| Primary Part Number | 6547521-001 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Electrical Resistance Per Section | 25.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 175.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.095 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Terminal Length | 0.150 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Body Width | 0.190 INCHES NOMINAL IN |
| Body Height | 0.250 INCHES NOMINAL IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -100.0 TO 100.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.200 INCHES NOMINAL IN |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Center to Center Distance Between Terminal Rows | 0.100 INCHES NOMINAL IN |
| Shaft Length | 0.060 INCHES NOMINAL IN |
| Body Length | 0.750 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.500 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.75 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 7200.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Rotary Actuator Travel in Angular Deg | 7200.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 SINGLE SECTION |
| 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 |
|---|---|
| 3006P-1-253 | Bourns Inc (USA) |
| 6547521-001 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6547521-001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ED1305 | C/1 Advisory reference — outside the item-of-supply concept University of Texas at Austin Div Applied Research Laboratories |
| ED1305-001 | C/1 Advisory reference — outside the item-of-supply concept University of Texas at Austin Div Applied Research Laboratories |
| 421-3781 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5905-01-012-8905 is a Resistor,variable,nonwire Wound,, manufactured by Naval Sea Systems Command, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-012-8905 has 2 manufacturer part numbers on file: 3006P-1-253 (Bourns Inc), 6547521-001 (Naval Sea Systems Command).
Key specifications for 6547521-001: Electrical Resistance Per Section: 25.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 175.0 SINGLE SECTION; Section Quantity: 1; Shaft Diameter: 0.095 INCHES NOMINAL IN. 26 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.