The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-491-0639, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Carter Manufacturing Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-491-0639 |
| Primary Part Number | FCP720C-9 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Carter Manufacturing Corporation |
| Status | ACTIVE |
| Electrical Resistance Per Section | 2.5 KILOHMS SINGLE SECTION |
| Supplementary Features | NHA KC84265 |
| Shaft Runout | 0.125 INCHES IN |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| 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 |
|---|---|
| FCP720C-9 PRIMARY | Carter Manufacturing Corporation (USA) |
| Reference | Meaning |
|---|---|
| KA84302-003 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5905-01-491-0639 is a Resistor,variable,nonwire Wound,, manufactured by Carter Manufacturing Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-491-0639 has 1 manufacturer part number on file: FCP720C-9 (Carter Manufacturing Corporation).
Key specifications for FCP720C-9: Electrical Resistance Per Section: 2.5 KILOHMS SINGLE SECTION; Supplementary Features: NHA KC84265; Shaft Runout: 0.125 INCHES IN; Special Features: O/A LENGTH IN INCHES 1.725 MIN 1.785 MAX; SHAFT LENGTH IN INCHES 0.625 MIN 0.685 MAX; BUSHING 0.250 DIA, 0.375-32 UNEF-2A W/FRICTION FEATURE; ANTI ROTATION PIN; MECHANICAL CLOCKWISE, 295 DEGREES PORM 5 DEGREES; ELECTRICAL THE SAME AS THE MECHANICAL OR WITHIN 2 DEGREES OF THE MECHANICAL END POINTS WITHIN THE SPECIFIED ROTATIONAL RANGE; POWER 1 WATT NOM A. 4 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.