The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-143-6499, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-143-6499 |
| Primary Part Number | LO3210 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Maximum Running Torque | 6.00 INCH-OUNCES IN |
| Nonturn Device Location | AT 6 OCLOCK |
| Body Diameter | 1.812 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Lateral Runout | 0.003 INCHES IN |
| Electrical Resistance Per Section | 100.0 OHMS ALL SECTIONS |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 85.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.2497 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.562 INCHES NOMINAL IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 ALL SECTIONS |
| Shaft End Play | 0.005 INCHES IN |
| Mounting Method | STANDARD BUSHING |
| Criticality Code Justification | ZZZY |
| Maximum Starting Torque | 6.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 ALL SECTIONS |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND |
| Actuator Type | DOUBLE ENDED SHAFT |
| Shaft Length | 0.938 INCHES NOMINAL IN |
| Body Length | 4.205 INCHES MAXIMUM IN |
| Maximum Stop Torque | 550.00 INCH-OUNCES IN |
| Shaft Runout | 0.0005 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 MINIMUM |
| Pilot Diameter Runout | 0.002 INCHES IN |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| LO3210 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 115132-1 | 5/9 Secondary reference U.S. Government activity |
| 115132-1 | 3/9 Design control — primary reference Vamistor/weston Div of Vamistor Corp of Tennessee Inc |
NSN 5905-01-143-6499 is a Resistor,variable,wire Wound,pre, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-143-6499 has 1 manufacturer part number on file: LO3210 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for LO3210: Maximum Running Torque: 6.00 INCH-OUNCES IN; Nonturn Device Location: AT 6 OCLOCK; Body Diameter: 1.812 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0. 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.
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.