The Transformer,power, cataloged under National Stock Number 5950-01-216-3639, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hammond Mfg Co Ltd. Government technical data includes 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-216-3639 |
| Primary Part Number | 122707 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Hammond Mfg Co Ltd |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SECOND GROUP |
| Mounting Facility Quantity | 2 FIRST GROUP |
| Mounting Facility Quantity | 4 THIRD GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 13.750 INCHES NOMINAL THIRD MOUNTING FACILITY THIRD CENTER GROUP IN |
| Winding Power Rating | 17.26 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT FIRST GROUP |
| Mounting Method | UNTHREADED HOLE(S) SECOND GROUP |
| Mounting Method | THREADED HOLE(S) THIRD GROUP |
| Body Width | 12.250 INCHES NOMINAL IN |
| Body Height | 14.000 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.100 INCHES NOMINAL SECOND GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 10.000 INCHES NOMINAL FIRST MOUNTING FACILITY FIRST CENTER GROUP IN |
| Distance Between Mounting Facility Centers | 10.000 INCHES NOMINAL SECOND MOUNTING FACILITY SECOND CENTER GROUP IN |
| Nominal Thread Size | 0.500 INCHES THIRD GROUP IN |
| Maximum Operating Temp | 220.0 CELSIUS DEGC |
| Body Length | 15.250 INCHES NOMINAL IN |
| Winding Operating Current | 20.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 8.000 INCHES NOMINAL THIRD MOUNTING FACILITY THIRD CENTER GROUP IN |
| Winding Operating Voltage | 187.20 AC VOLTS MINIMUM AND 228.80 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 863.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) THIRD GROUP |
| Mounting Slot Width | 0.568 INCHES NOMINAL FIRST GROUP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-216-3639 is a Transformer,power, manufactured by Hammond Mfg Co Ltd, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-216-3639 has 2 manufacturer part numbers on file: 122707 (Hammond Mfg Co Ltd), PEI6194 (Precision Electronics, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 7510-01-438-2054, 6515-01-443-6831. Verify interchangeability with system specifications before substitution.
Key specifications for 122707: Mounting Facility Quantity: 2 SECOND GROUP; Mounting Facility Quantity: 2 FIRST GROUP; Mounting Facility Quantity: 4 THIRD GROUP; Inclosure Type: FULLY INCLOSED. 28 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.