The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-875-1639, 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 Magnetek Inc Huntington Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5950-00-875-1639 |
| Primary Part Number | SP21 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Magnetek Inc Huntington Div |
| Status | CANCELLED |
| Impedance Rating in Ohms | 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Width | 0.310 INCHES MAXIMUM IN |
| Primary to Secondary Turn Ratio | 1 TO 2-1/4 SINGLE COMPONENT |
| Impedance Rating in Ohms | 2000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 6 WIRE LEAD |
| Mounting Method | TERMINAL SINGLE GROUP |
| Maximum Transformer Power Rating | 3.0 WATTS SINGLE COMPONENT |
| Body Length | 0.410 INCHES MAXIMUM IN |
| Frequency Rating | 300.0 HERTZ MINIMUM AND 60.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Operating Current | 1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Inclosure Type | FULLY INCLOSED |
| Body Height | 0.475 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SP21 | Magnetek Inc Huntington Div (USA) |
| 677-1683-000 | Rockwell Collins France Div Collins Aerospace - Avionics (FRA) |
| 10132725 | Nimikkeistokeskus Ncb Finland (FIN) |
| 4446 | Triad Corp (USA) |
| SP21 | Triad Corp (USA) |
NSN 5950-00-875-1639 is a Transformer,audio Frequency, manufactured by Magnetek Inc Huntington Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.
NSN 5950-00-875-1639 has 5 cross-referenced part numbers: SP21 (Magnetek Inc Huntington Div), 677-1683-000 (Rockwell Collins France Div Collins Aerospace - Avionics), 10132725 (Nimikkeistokeskus Ncb Finland), 4446 (Triad Corp), SP21 (Triad Corp).
There are 12 known substitutes for 5950-00-875-1639: 5305-00-174-3926, 5360-00-200-7125, 2930-00-200-8138 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for SP21: Impedance Rating in Ohms: 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Body Width: 0.310 INCHES MAXIMUM IN; Primary to Secondary Turn Ratio: 1 TO 2-1/4 SINGLE COMPONENT; Impedance Rating in Ohms: 2000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5950-00-875-1639 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.