The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-577-1140, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Superior Electric Holding Group Llc Div Specialty Product Technologies. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-577-1140 |
| Primary Part Number | AR7155 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Superior Electric Holding Group Llc Div Specialty Product Technologies |
| Status | ACTIVE |
| Transformer Function | INPUT |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.625 INCHES NOMINAL IN |
| Body Height | 2.188 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.144 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1000000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Body Length | 1.625 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Primary to Secondary Turn Ratio | 1 TO 70 SINGLE COMPONENT |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-00-577-1140 is a Transformer,audio Frequency, manufactured by Superior Electric Holding Group Llc Div Specialty Product Technologies, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-577-1140 has 2 manufacturer part numbers on file: AR7155 (Superior Electric Holding Group Llc Div Specialty Product Technologies), 98788 (Magnetika Inc).
Key specifications for AR7155: Transformer Function: INPUT; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 18 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.