The Transformer,power, cataloged under National Stock Number 5950-00-931-1781, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Trio Laboratories Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-931-1781 |
| Primary Part Number | 17926 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Trio Laboratories Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Body Length | 4.590 INCHES NOMINAL IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Operating Current | 2.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Body Width | 3.380 INCHES NOMINAL IN |
| Winding Operating Voltage | 74.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Mounting Hole Diameter | 0.188 INCHES NOMINAL SINGLE GROUP IN |
| Body Height | 3.870 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5950-00-931-1781 is a Transformer,power, manufactured by Trio Laboratories Inc, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-931-1781 has 2 cross-referenced part numbers: 17926 (Trio Laboratories Inc), TR89253 (Lear Siegler Inc Research Laboratories Div).
There are 3 known substitutes for 5950-00-931-1781: 5950-00-646-4940, 6685-01-397-8694, 4320-01-400-2073. Verify interchangeability with system specifications before substitution.
Key specifications for 17926: Mounting Facility Quantity: 4 SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Width: 3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Terminal Type and Quantity: 4 TAB, SOLDER LUG; Body Length: 4.590 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.