# NSN 5905-01-149-6939: Resistor, Variable, Wire Wound, Pre

NSN 5905-01-149-6939 (also written 5905011496939; NIIN 01-149-6939) is a resistor, variable, wire wound, pre in Federal Supply Class 5905, Resistors. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5905-01-149-6939 (5905011496939)
- NIIN: 01-149-6939 (011496939)
- Item name: RESISTOR,VARIABLE,WIRE WOUND,PRE
- Federal Supply Class: [FSC 5905 Resistors](https://nsnexplorer.com/fsc/5905/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 5

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAPN | SECTION QUANTITY | 2 |
| AAQL | BODY STYLE | — |
| AARG | RELIABILITY INDICATOR | NOT ESTABLISHED |
| AAVL | PILOT DIAMETER | INCHES MAXIMUM 0.7500 |
| AAVM | PILOT LENGTH | INCHES NOMINAL 0.0620 |
| ABHP | OVERALL LENGTH | INCHES MAXIMUM 1.321 |
| ABPA | UNDERCUT DIAMETER | INCHES NOMINAL 0.780 |
| ABPC | UNDERCUT WIDTH | INCHES MINIMUM 0.0570 |
| ABPM | BODY DIAMETER | INCHES NOMINAL 0.875 |
| ABWV | SHAFT DIAMETER | INCHES MAXIMUM 0.1248 |
| ABXF | SHAFT LENGTH | INCHES NOMINAL 0.500 |
| ADAQ | BODY LENGTH | INCHES MAXIMUM 0.790 |
| ADAV | OVERALL DIAMETER | INCHES MAXIMUM 1.200 |
| AECZ | MOUNTING LIP DIAMETER | INCHES NOMINAL 0.8750 |
| AEDA | MOUNTING LIP DEPTH | INCHES NOMINAL 0.0620 |
| AEDX | SHAFT STYLE | — |
| AEFD | ACTUATOR TYPE | SINGLE SHAFT |
| AEFH | EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION | NOMINAL 350.0 |
| AEFK | MAXIMUM STARTING TORQUE | INCH-OUNCES 0.27 |
| AEFL | MAXIMUM RUNNING TORQUE | INCH-OUNCES 0.27 |
| AEFY | SHAFT END PLAY | INCHES 0.005 |
| AEFZ | SHAFT RUNOUT | INCHES 0.001 |
| AEGA | LATERAL RUNOUT | INCHES 0.002 |
| AEGB | PILOT DIAMETER RUNOUT | INCHES 0.001 |
| AEGC | SHAFT RADIAL PLAY | INCHES 0.003 |
| AEGD | MECHANICAL BACKLASH IN DEG ANGULAR ROTATION | 0.1 |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| AXGY | MOUNTING METHOD | CLAMP RING(S) |
| BYDT | BEARING TYPE | SHAFT BALL |
| CBBL | FEATURES PROVIDED | HUMIDITY PROOF |
| CQCC | ELECTRICAL RESISTANCE PER SECTION | KILOHMS ALL SECTIONS 25.0 |
| CQCK | ROTARY ACTUATOR TRAVEL IN ANGULAR DEG | NOMINAL 360.0 |
| CQFL | FUNCTION CONFORMITY TOLERANCE PER SECTION | ALL SECTIONS -0.50 TO 0.50 |
| CQGN | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER | ALL SECTIONS 125.0 |
| CQTM | TERMINAL LOCATION | LOCATION NOT OTHERWISE SPECIFIED RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| CRGD | POWER DISSIPATION RATING PER SECTION IN WATTS | FREE AIR ALL SECTIONS 1.0 |
| CRGM | FUNCTION CONFORMITY PER SECTION | ALL SECTIONS INDEPENDENT LINEARITY |
| CRSS | RESISTANCE TOLERANCE PER SECTION IN PERCENT | ALL SECTIONS -3.0 TO 3.0 |
| CRSX | ACTUATOR TRAVEL CONTROL FEATURE | CONTINUOUS MOTION |
| CSBX | FUNCTION CHARACTERISTIC PER SECTION | ALL SECTIONS LINEAR |
| CSCY | TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS | ALL SECTIONS -20.0 TO 20.0 |
| CSDH | AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER | ALL SECTIONS 70.0 |
| PMLC | PRECIOUS MATERIAL AND LOCATION | GOLD TER-INAL SURFACES |
| PRMT | PRECIOUS MATERIAL | GOLD |
| TTQY | TERMINAL TYPE AND QUANTITY | TURRET 6 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3111 | 22978 | MEASUREMENT SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 503111 | 22978 | MEASUREMENT SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6530S-428-253/253 | 32997 | BOURNS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-19 | $1,050.00 | 3 | SERVO INSTRUMENT CORPORATION | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5905011496939) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-19 | [SPE7M126P9755](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5905011496939) | RESISTOR, VARIABLE, WIRE WOUND, PRECISION | SERVO INSTRUMENT CORPORATION | $3,150.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5905011496939&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5905011496939
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5905-01-149-6939/
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