The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-220-5156, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-220-5156 |
| Primary Part Number | 3320487 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.422 INCHES MINIMUM AND 2.453 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 3.090 INCHES MINIMUM AND 3.150 INCHES MAXIMUM IN |
| Body Height | 2.422 INCHES MINIMUM AND 2.453 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 23.0 DECIBELS SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 80.0 CELSIUS DEGC |
| Body Length | 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN |
| Frequency Rating | 7.0 HERTZ MINIMUM AND 50.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.922 INCHES MINIMUM AND 1.953 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 3320487 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
NSN 5950-01-220-5156 is a Transformer,audio Frequency, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-220-5156 has 1 manufacturer part number on file: 3320487 (L3 Technologies, Inc. Div Ocean Systems).
Key specifications for 3320487: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.422 INCHES MINIMUM AND 2.453 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 14 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.