The Coil,radio Frequency, cataloged under National Stock Number 5950-00-645-6640, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Coil Specialty Company, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-645-6640 |
| Primary Part Number | CS7870 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Coil Specialty Company, Inc. |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.219 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 100.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Winding Conductor Size | 0.00397 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Body Length | 0.438 INCHES NOMINAL IN |
| Winding Operating Current | 250.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 6.700 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 2 WIRE LEAD |
| 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 |
|---|---|
| CS7870 | Coil Specialty Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 34300-100UH | 3/1 Design control — primary reference Beta Labs Inc a-B and Millen Mfg Div |
| SA6456-640 | 5/9 Secondary reference Aschbacher & Associates Inc |
NSN 5950-00-645-6640 is a Coil,radio Frequency, manufactured by Coil Specialty Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-6640 has 1 manufacturer part number on file: CS7870 (Coil Specialty Company, Inc.).
Key specifications for CS7870: Inclosure Type: OPEN; Body Outside Diameter: 0.219 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 100.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING. 12 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.