The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-688-2974, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-688-2974 |
| Primary Part Number | TMA9 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Freed Transformer Co |
| Status | ACTIVE |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Maximum Transformer Power Rating | 250.0 MILLIWATTS SINGLE COMPONENT |
| Body Height | 1.562 INCHES NOMINAL IN |
| Body Width | 0.938 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Winding Operating Current | 1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 1.5 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Inclosure Type | HERMETICALLY SEALED |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Distance Between Mounting Facility Centers | 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.406 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5950-00-688-2974 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-688-2974 has 4 cross-referenced part numbers: 34765 (Freed Transformer Co), TMA9 (Freed Transformer Co), 59A5A20-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 59A5A20-1 (Naval Air Warfare Center Aircraft Div).
There are 6 known substitutes for 5950-00-688-2974: 5310-00-003-2833, 4730-00-013-7401, 6730-00-137-7042 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for TMA9: Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Mounting Facility Quantity: 2 SINGLE GROUP; Maximum Transformer Power Rating: 250.0 MILLIWATTS SINGLE COMPONENT; Body Height: 1.562 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.