The Resistor Assembly, cataloged under National Stock Number 5905-00-643-7185, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 11 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-643-7185 |
| Primary Part Number | S130BF |
| Item Name | Resistor Assembly |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Component Name | ADJUSTABLE RIBBON WOUND RESISTOR |
| Component Quantity | 2 |
| Resistance Tolerance in Percent | -10.0 TO 10.0 |
| Electrical Resistance | 0.500 OHMS |
| Component Identifying Number | 16778.9 DRAWING NO. |
| Mounting Method | BRACKET(S) |
| Component Controlling Agency | WARD LEONARD ELECTRIC CO |
| Component Relationship | NOT MATCHED |
| Mounting Configuration | FOUR 7/16 IN. MTG HOLES ON 12-3/4 IN. MTG CENTERS IN |
| Resistor Power Dissipation Rating in Watts | 8450.0 |
| Assembly Construction Method | MOUNTED BETWEEN END FRAMES |
| 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 |
|---|---|
| S130BF PRIMARY | Ward Leonard Ct Llc (USA) |
| ED32948 PRIMARY | Ward Leonard Ct Llc (USA) |
| 16778-9-4ED32948 PRIMARY | Ward Leonard Ct Llc (USA) |
| 16778-9-4 PRIMARY | Ward Leonard Ct Llc (USA) |
NSN 5905-00-643-7185 is a Resistor Assembly, manufactured by Ward Leonard Ct Llc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-643-7185 has 4 manufacturer part numbers on file: S130BF (Ward Leonard Ct Llc), ED32948 (Ward Leonard Ct Llc), 16778-9-4ED32948 (Ward Leonard Ct Llc), 16778-9-4 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-727-4036. Verify interchangeability with system specifications before substitution.
Key specifications for S130BF: Component Name: ADJUSTABLE RIBBON WOUND RESISTOR; Component Quantity: 2; Resistance Tolerance in Percent: -10.0 TO 10.0; Electrical Resistance: 0.500 OHMS. 11 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.