The Coil,electrical, cataloged under National Stock Number 5950-00-055-3439, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-055-3439 |
| Primary Part Number | HP728100-3 |
| Item Name | Coil,electrical |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.192 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.688 INCHES NOMINAL IN |
| Body Height | 2.420 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 1.688 INCHES NOMINAL IN |
| Winding Operating Current | 1.5 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.192 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 28 SINGLE GROUP |
| Winding Operating Voltage | 14.00 DC VOLTS MINIMUM AND 30.00 DC VOLTS MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Terminal Type and Quantity | 2 COLLAR/RING |
| Thread Series Designator | UNF 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 |
|---|---|
| HP728100-3 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP728100-3 | 5/9 Secondary reference U.S. Government activity |
| HP728500 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-055-3439 is a Coil,electrical, manufactured by Tactair Fluid Controls Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-055-3439 has 1 manufacturer part number on file: HP728100-3 (Tactair Fluid Controls Inc).
Key specifications for HP728100-3: Overall Height: 2.592 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.192 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 17 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.