The Coil,telephone, cataloged under National Stock Number 5950-00-645-4555, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-00-645-4555 |
| Primary Part Number | 601894 |
| Item Name | Coil,telephone |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Stromberg-Carlson Corp a Plessey Telecommunications Co |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 ALL GROUPINGS |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN |
| Mounting Method | THREADED HOLE(S) ALL GROUPINGS |
| Body Width | 2.266 INCHES MINIMUM AND 2.296 INCHES MAXIMUM IN |
| Body Height | 1.718 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES FIRST GROUP IN |
| Nominal Thread Size | 0.190 INCHES SECOND GROUP IN |
| Body Length | 3.797 INCHES MINIMUM AND 3.827 INCHES MAXIMUM IN |
| DC Resistance Rating in Ohms | 1.800 SINGLE COMPONENT FIRST WINDING |
| DC Resistance Rating in Ohms | 43.700 SINGLE COMPONENT SECOND WINDING |
| DC Resistance Rating in Ohms | 450.000 SINGLE COMPONENT THIRD WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 3 SINGLE COMPONENT |
| Terminal Type and Quantity | 8 PIN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST GROUP |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| 601894 | Stromberg-Carlson Corp a Plessey Telecommunications Co (USA) |
| Reference | Meaning |
|---|---|
| SM-C-142867 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-645-4555 is a Coil,telephone, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-4555 has 1 manufacturer part number on file: 601894 (Stromberg-Carlson Corp a Plessey Telecommunications Co).
Key specifications for 601894: Mounting Facility Quantity: 4 ALL GROUPINGS; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN. 18 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.