The Solenoid,electrical, cataloged under National Stock Number 5945-00-939-0253, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5945-00-939-0253 |
| Primary Part Number | HP878500 |
| Item Name | Solenoid,electrical |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Actuator Diameter | 0.923 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Mounting Base Width | 1.875 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL FRAME |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Energizing Stroke Maximum Length | 0.093 INCHES IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.375 INCHES NOMINAL IN |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.265 INCHES NOMINAL IN |
| Power Takeoff Connection Type | INTERNAL PLUNGER |
| Magnetic Coil Quantity | 1 |
| Terminal Location | ACTUATOR END |
| Maximum Operating Temp | 275.0 FAHRENHEIT DEGF |
| Body Length | 1.750 INCHES NOMINAL IN |
| Mounting Base Length | 1.875 INCHES NOMINAL IN |
| Actuator Length | 0.278 INCHES NOMINAL IN |
| Actuator Stroke Type | PULL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.375 INCHES NOMINAL IN |
| Current Rating | 1.500 AMPERES NOMINAL |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Linear Force Delivered | 6.00 POUNDS LBS |
| Voltage Rating in Volts | 30.0 DC MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HP878500 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP878500 | 5/9 Secondary reference U.S. Government activity |
| HP878175-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5945-00-939-0253 is a Solenoid,electrical, manufactured by Tactair Fluid Controls Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-939-0253 has 1 manufacturer part number on file: HP878500 (Tactair Fluid Controls Inc).
Key specifications for HP878500: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Actuator Diameter: 0.923 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Mounting Base Width: 1.875 INCHES NOMINAL IN. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.