The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-253-4019, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-253-4019 |
| Primary Part Number | 55-776 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments |
| Status | ACTIVE |
| Body Diameter | 2.969 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 200.0 OHMS SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 3 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL STUDS MOUNTED |
| Mounting Hole/stud Circle Diameter | 1.750 INCHES NOMINAL IN |
| Tap Location From Ccw Terminal Per Section in Ohms | 100.0 SINGLE SECTION |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.169 INCHES NOMINAL IN |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, HOLLOWED |
| Actuator Type | SINGLE SHAFT |
| Body Inside Diameter | 0.125 INCHES NOMINAL IN |
| Shaft Length | 1.344 INCHES NOMINAL IN |
| Body Length | 1.500 INCHES NOMINAL IN |
| Tap Location Tolerance Per Section | -1.0 TO 1.0 OHMS SINGLE SECTION |
| Power Dissipation Rating Per Section in Watts | 6.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 300.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 320.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 20.0 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 |
|---|---|
| 55-776 | Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments (USA) |
| Reference | Meaning |
|---|---|
| SP526-1 | 5/9 Secondary reference Edo |
| 627521-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-00-253-4019 is a Resistor,variable,wire Wound,non, manufactured by Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-253-4019 has 1 manufacturer part number on file: 55-776 (Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-072-3492. Verify interchangeability with system specifications before substitution.
Key specifications for 55-776: Body Diameter: 2.969 INCHES NOMINAL IN; Electrical Resistance Per Section: 200.0 OHMS SINGLE SECTION; Section Quantity: 1; Mounting Facility Quantity: 3. 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.