The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-477-9060, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 30 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-477-9060 |
| Primary Part Number | 240MS138P002 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Maximum Running Torque | 0.60 INCH-OUNCES IN |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Lateral Runout | 0.003 INCHES IN |
| Electrical Resistance Per Section | 100.0 KILOHMS ALL SECTIONS |
| Mounting Lip Depth | 0.0620 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 ALL SECTIONS |
| Undercut Width | 0.0620 INCHES NOMINAL IN |
| Section Quantity | 3 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Undercut Diameter | 0.859 INCHES NOMINAL IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 ALL SECTIONS |
| Shaft End Play | 0.005 INCHES IN |
| Tap Location From Ccw Terminal Per Section in Ohms | 50000.0 ALL SECTIONS |
| Mounting Method | CLAMP RING(S) |
| Maximum Starting Torque | 0.90 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 ALL SECTIONS |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -70.0 TO 70.0 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 0.8906 INCHES NOMINAL IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.244 INCHES NOMINAL IN |
| Pilot Diameter | 0.7500 INCHES NOMINAL IN |
| Body Length | 1.480 INCHES NOMINAL IN |
| Shaft Runout | 0.002 INCHES IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Tap Location Tolerance Per Section | -1.0 TO 1.0 OHMS ALL SECTIONS |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR ALL SECTIONS |
| 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 |
|---|---|
| 240MS138P002 | Raytheon Company (USA) |
| 240MS138P002 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 14W3-2091 | Servo Instrument Corporation (USA) |
| 78WS338-2 | Honeywell International Inc Dba Honeywell International Div New England Instrument (nei) (USA) |
| Reference | Meaning |
|---|---|
| 240MS138P002 | 5/9 Secondary reference Raytheon Company Div Corp |
| WP7-8 159-2 | 5/9 Secondary reference U.S. Government activity |
| WP7-8 159-2 | 5/9 Secondary reference Data Instruments Inc |
NSN 5905-00-477-9060 is a Resistor,variable,wire Wound,pre, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-477-9060 has 4 manufacturer part numbers on file: 240MS138P002 (Raytheon Company), 240MS138P002 (Raytheon Company Dba Raytheon Co), 14W3-2091 (Servo Instrument Corporation), 78WS338-2 (Honeywell International Inc Dba Honeywell International Div New England Instrument (nei)).
Key specifications for 240MS138P002: Maximum Running Torque: 0.60 INCH-OUNCES IN; Body Diameter: 0.875 INCHES NOMINAL IN; Lateral Runout: 0.003 INCHES IN; Electrical Resistance Per Section: 100.0 KILOHMS ALL SECTIONS. 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.