The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-249-4817, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tricor Systems Inc. Government technical data includes 5 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 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 | 5950-01-249-4817 |
| Primary Part Number | 121-272 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Tricor Systems Inc |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 7 WIRE LEAD |
| 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 |
|---|---|
| 121-272 PRIMARY | Tricor Systems Inc (USA) |
NSN 5950-01-249-4817 is a Transformer,audio Frequency, manufactured by Tricor Systems Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-249-4817 has 1 manufacturer part number on file: 121-272 (Tricor Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5895-01-459-4257, 6505-01-576-2767. Verify interchangeability with system specifications before substitution.
Key specifications for 121-272: Inclosure Type: OPEN; Mounting Method: TERMINAL SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED. 5 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.