The Coil,radio Frequency, cataloged under National Stock Number 5950-01-079-2554, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo S.p.a. Div Electronics. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-079-2554 |
| Primary Part Number | 837581-1 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Leonardo S.p.a. Div Electronics |
| Status | ACTIVE |
| Inclosure Type | PARTIALLY INCLOSED |
| Body Outside Diameter | 0.560 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 120.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 1.200 SINGLE COMPONENT SINGLE WINDING |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 837581-1 | Leonardo S.p.a. Div Electronics (ITA) |
| 837581-1 | Leonardo Mw Ltd (GBR) |
| PEI 10771 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 837581-1 | 5/9 Secondary reference Fiar Fabbrica Italiana Apparecchiature Radioelettriche Spa |
| 837581-1 | 5/9 Secondary reference Trescal Limited |
| 837581-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-01-079-2554 is a Coil,radio Frequency, manufactured by Leonardo S.p.a. Div Electronics, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-079-2554 has 3 manufacturer part numbers on file: 837581-1 (Leonardo S.p.a. Div Electronics), 837581-1 (Leonardo Mw Ltd), PEI 10771 (Precision Electronics, Inc).
Key specifications for 837581-1: Inclosure Type: PARTIALLY INCLOSED; Body Outside Diameter: 0.560 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 120.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 6 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.
NSN 5950-01-079-2554 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.