The Coil,electrical, cataloged under National Stock Number 5950-00-063-9219, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-00-063-9219 |
| Primary Part Number | 77C708766-1 |
| Item Name | Coil,electrical |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Outside Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 120.00 MICROHENRIES NOMINAL SINGLE COMPONENT FIRST WINDING |
| Inductance Rating | 37.50 MICROHENRIES NOMINAL SINGLE COMPONENT SECOND WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 3.125 INCHES NOMINAL IN |
| Winding Operating Current | 195.0 MICROAMPERES DC MAXIMUM SINGLE COMPONENT SECOND WINDING |
| Winding Operating Current | 3.3 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT ALL WINDING |
| DC Resistance Rating in Ohms | 0.300 SINGLE COMPONENT FIRST WINDING |
| DC Resistance Rating in Ohms | 48.000 SINGLE COMPONENT SECOND WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | S0LID SINGLE COMPONENT |
| Winding Quantity | 2 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Winding Operating Voltage | 12.00 AC KILOVOLTS NOMINAL SINGLE COMPONENT ALL WINDING |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B1939-2 | Celco Dba Constantine Engineering Laboratories Co (USA) |
| 77C708766-1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C708766P1 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
NSN 5950-00-063-9219 is a Coil,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-063-9219 has 2 manufacturer part numbers on file: B1939-2 (Celco Dba Constantine Engineering Laboratories Co), 77C708766-1 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C708766-1: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Outside Diameter: 3.500 INCHES NOMINAL IN. 22 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.