The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-556-9850, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-556-9850 |
| Primary Part Number | 1225770 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Operating Current | 3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Impedance Rating in Ohms | 80000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Body Width | 1.312 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Frequency Rating | 40.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Terminal Type and Quantity | 5 TAB, SOLDER LUG |
| Body Height | 1.750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Primary to Secondary Turn Ratio | 1 TO 2-19/64 SINGLE COMPONENT |
| Inclosure Type | HERMETICALLY SEALED |
| Impedance Rating in Ohms | 15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Length | 1.312 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 31.6 MILLIWATTS SINGLE COMPONENT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 61-875 | Unisys Corp Systems Development (USA) |
| AT-1880 | Hytronics Corp. (USA) |
| 61-875 | Itt Industries Inc Itt Aerospace Communications Div East (USA) |
| 5357 | Precision Electronics, Inc (USA) |
| 1225770 | Precision Electronics, Inc (USA) |
| G37T555 | Itt Industries Inc Itt Aerospace Communications Div East (USA) |
| 1225770 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| FD61-875 | Precision Electronics, Inc (USA) |
| FD61-875 | Freed Transformer Co (USA) |
| 38601 | Freed Transformer Co (USA) |
NSN 5950-00-556-9850 is a Transformer,audio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-556-9850 has 10 cross-referenced part numbers: 61-875 (Unisys Corp Systems Development), AT-1880 (Hytronics Corp.), 61-875 (Itt Industries Inc Itt Aerospace Communications Div East), 5357 (Precision Electronics, Inc), 1225770 (Precision Electronics, Inc) and 5 more.
There are 12 known substitutes for 5950-00-556-9850: 5995-00-128-8657, 2825-00-146-4225, 5120-00-203-4807 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1225770: Reliability Indicator: NOT ESTABLISHED; Winding Operating Current: 3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT; Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 20 total characteristics are documented in the Federal Logistics Information System.