The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-574-3745, 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 Freed Transformer Co. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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 | 5950-00-574-3745 |
| Primary Part Number | 28505 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Freed Transformer Co |
| Status | ACTIVE |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Transformer Function | INPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Impedance Rating in Ohms | 50.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Impedance Rating in Ohms | 50000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Maximum Transformer Power Rating | 47.0 DECIBELS SINGLE COMPONENT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Body Length | 1.312 INCHES NOMINAL IN |
| Body Width | 1.312 INCHES NOMINAL IN |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT |
| Inclosure Type | HERMETICALLY SEALED |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Height | 2.125 INCHES NOMINAL IN |
| Distance Between Mounting Facility Centers | 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 4 WIRE HOOK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5950-00-574-3745 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-574-3745 has 4 cross-referenced part numbers: 28505 (Freed Transformer Co), 176047 (Eac Industries Inc Ideal Security Hardware Div), 176047 (Mack Electronics Div Inc), 55125 (Autodyne Manufacturing Co Inc).
There are 12 known substitutes for 5950-00-574-3745: 5310-00-017-6047, 5330-00-212-6321, 6240-00-231-0761 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 28505: Thread Quantity Per Inch: 32 SINGLE GROUP; Mounting Facility Quantity: 2 SINGLE GROUP; Transformer Function: INPUT; Reliability Indicator: NOT ESTABLISHED. 19 total characteristics are documented in the Federal Logistics Information System.