The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-552-1395, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Precision Electronics, Inc. Government technical data includes 12 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. 2 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 | 5950-00-552-1395 |
| Primary Part Number | PEI 1999 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Precision Electronics, Inc |
| Status | ACTIVE |
| Transformer Function | INPUT |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 1.562 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 726000.0 NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Body Length | 2.188 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Primary to Secondary Turn Ratio | 1 TO 44 SINGLE COMPONENT |
| Terminal Type and Quantity | 9 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-00-552-1395 is a Transformer,audio Frequency, manufactured by Precision Electronics, Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-552-1395 has 2 manufacturer part numbers on file: PEI 1999 (Precision Electronics, Inc), 667542 (Lockheed Martin Corporation Div Rms - Mitchel Field).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-700-0811, 6515-01-727-2063. Verify interchangeability with system specifications before substitution.
Key specifications for PEI 1999: Transformer Function: INPUT; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 1.562 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT. 12 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.
NSN 5950-00-552-1395 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.