The Transformer,power Autotransforme, cataloged under National Stock Number 5950-01-264-2898, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-264-2898 |
| Primary Part Number | 55-0610-1 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SECOND GROUP |
| Mounting Facility Quantity | 2 FIRST GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.906 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) ALL GROUPINGS |
| Body Width | 2.000 INCHES NOMINAL IN |
| Body Height | 2.850 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Features Provided | COLOR CODED LEAD |
| Nominal Thread Size | 0.164 INCHES ALL GROUPINGS IN |
| Body Length | 2.281 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN |
| Winding Operating Voltage | 230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Winding Operating Voltage | 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL GROUPINGS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-264-2898 is a Transformer,power Autotransforme, manufactured by Grimes Aerospace Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-264-2898 has 2 manufacturer part numbers on file: ST-502 (Norlake Manufacturing Co), 55-0610-1 (Grimes Aerospace Company).
Key specifications for 55-0610-1: Mounting Facility Quantity: 4 SECOND GROUP; Mounting Facility Quantity: 2 FIRST GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.906 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN. 19 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.