The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-837-4325, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5905-00-837-4325 |
| Primary Part Number | 8437393 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | CANCELLED |
| Maximum Running Torque | 5.00 INCH-OUNCES IN |
| 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 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.100 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Terminal Length | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.190 INCHES NOMINAL IN |
| Body Height | 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Maximum Starting Torque | 5.00 INCH-OUNCES IN |
| Mounting Hole Diameter | 0.093 INCHES NOMINAL IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -50.0 TO 50.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE SINGLE ROW LOCATION NOT OTHERWISE SPECIFIED |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.700 INCHES NOMINAL IN |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 1.000 INCHES NOMINAL IN |
| Shaft Length | 0.036 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.900 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 7920.0 NOMINAL |
| Bearing Type | BEARING SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Cubic Measure | 0.074 CUBIC INCHES |
| Actuator Travel Control Feature | CLUTCH |
| 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 |
|---|---|
| 8437393 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 7856-13 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 3057P-1-253 | Bourns Inc (USA) |
| Reference | Meaning |
|---|---|
| 911085-2533 | E/8 Replaced / superseded reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 135758-011 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 5905008374325 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 7856-13 | 5/9 Secondary reference Lockheed Martin Corporation |
| 224P1-253 | 5/9 Secondary reference U.S. Government activity |
| 224P825-253 | E/8 Replaced / superseded reference U.S. Government activity |
NSN 5905-00-837-4325 is a Resistor,variable,wire Wound,non, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5905, Resistor. Status: cancelled.
NSN 5905-00-837-4325 has 3 manufacturer part numbers on file: 8437393 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 7856-13 (Lockheed Martin Corporation Div Rotary and Mission Systems), 3057P-1-253 (Bourns Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-102-1887. Verify interchangeability with system specifications before substitution.
Key specifications for 8437393: Maximum Running Torque: 5.00 INCH-OUNCES IN; 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. 30 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 5905-00-837-4325 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.