The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-645-1972, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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 | 5950-00-645-1972 |
| Primary Part Number | 146-92-1 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Kearfott Corporation Div Guidance and Navigation Division |
| Status | CANCELLED |
| Frequency Rating | 30.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 7 STANDOFF, SOLDER LUG |
| Inclosure Type | FULLY INCLOSED |
| Impedance Rating in Ohms | 250.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Primary to Secondary Turn Ratio | 1 TO 1 SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Impedance Rating in Ohms | 250.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Body Height | 2.000 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.500 INCHES NOMINAL IN |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Maximum Transformer Power Rating | 10.0 DECIBELS SINGLE COMPONENT |
| Body Width | 1.500 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A21 | Magnetika Inc (USA) |
| A21 | United Transformer Corp Sub of Opt Industries Inc (USA) |
| 146-92-1 PRIMARY | Kearfott Corporation Div Guidance and Navigation Division (USA) |
| 293-2D16 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| A21 | Opt Industries Inc Div of Electronika Inc (USA) |
| 293-2D16 | Drs Signal Solutions, Inc. (USA) |
| 200-321-001 | Magnetika Inc (USA) |
| A-21 | Trw Inc Vulcan Tools Div (USA) |
| A21 | Magnetika Inc Div Magnetika/phillipsburg Location (USA) |
| 200-321-001 | United Transformer Corp Sub of Opt Industries Inc (USA) |
NSN 5950-00-645-1972 is a Transformer,audio Frequency, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5950 (No Item Name Available). Status: cancelled.
NSN 5950-00-645-1972 has 10 cross-referenced part numbers: A21 (Magnetika Inc), A21 (United Transformer Corp Sub of Opt Industries Inc), 146-92-1 (Kearfott Corporation Div Guidance and Navigation Division), 293-2D16 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), A21 (Opt Industries Inc Div of Electronika Inc) and 5 more.
There are 12 known substitutes for 5950-00-645-1972: 3030-00-160-8280, 4720-00-278-1114, 1660-00-927-1996 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 146-92-1: Frequency Rating: 30.0 HERTZ MINIMUM AND 30.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Terminal Type and Quantity: 7 STANDOFF, SOLDER LUG; Inclosure Type: FULLY INCLOSED; Impedance Rating in Ohms: 250.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5950-00-645-1972 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.