The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-209-8877, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Maurey Instrument Corp. Government technical data includes 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-209-8877 |
| Primary Part Number | 50-M29-29 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Maurey Instrument Corp |
| Status | ACTIVE |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 50.000 KILOHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | LOCKING BUSHING |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.4375 INCHES NOMINAL IN |
| Body Length | 0.625 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNEF |
| Resistance Tolerance Per Section in Percent | -2.0 TO 2.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 SOLDER STUD |
| Mounting Bushing Length | 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 | X |
| Part Number | Manufacturer |
|---|---|
| 50-M29-29 PRIMARY | Maurey Instrument Corp (USA) |
| Reference | Meaning |
|---|---|
| ES699-2S7-5002A | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
| ES699-2S7-5002A | 1/2 Source control — Government-approved source U.S. Government activity |
| AP05-C141-2-S-7-5002A | C/1 Advisory reference — outside the item-of-supply concept Ace Electronics Associates Inc |
| AP1/2-126 | 5/9 Secondary reference Data Instruments Inc |
| AP1/2-126 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-209-8877 is a Resistor,variable,wire Wound,pre, manufactured by Maurey Instrument Corp, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-209-8877 has 1 manufacturer part number on file: 50-M29-29 (Maurey Instrument Corp).
Key specifications for 50-M29-29: Body Diameter: 0.500 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 50.000 KILOHMS SINGLE SECTION; Section Quantity: 1. 17 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.