The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-083-1660, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Standard Industries. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-083-1660 |
| Primary Part Number | 712431 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Standard Industries |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 0.830 INCHES MAXIMUM IN |
| Body Height | 0.720 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 2500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 1000.0 NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Distance Between Mounting Facility Centers | 1.109 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 0.960 INCHES MAXIMUM IN |
| Winding Operating Current | 4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 88.0 HERTZ MINIMUM AND 250.0 HERTZ MAXIMUM 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 |
| Part Number | Manufacturer |
|---|---|
| 712431 | Standard Industries (USA) |
| Reference | Meaning |
|---|---|
| 872307 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 983020-82 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-083-1660 is a Transformer,audio Frequency, manufactured by Standard Industries, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-083-1660 has 1 manufacturer part number on file: 712431 (Standard Industries).
4 possible matches (shared part number, not a government interchangeability claim): 3110-00-198-2829, 5355-00-403-6227, 5830-00-503-1079. Verify interchangeability with system specifications before substitution.
Key specifications for 712431: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Body Width: 0.830 INCHES MAXIMUM IN. 15 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.