The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-039-3181, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thales Usa, Inc. Div Air Mobility Solutions ("ams"). Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-039-3181 |
| Primary Part Number | 39870-3 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Coil Form Type | AIR WOUND SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Body Length | 0.937 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 3 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 |
|---|---|
| 39870-3 PRIMARY | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| Reference | Meaning |
|---|---|
| 038970-0003 | C/1 Advisory reference — outside the item-of-supply concept Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
NSN 5950-01-039-3181 is a Transformer,radio Frequency, manufactured by Thales Usa, Inc. Div Air Mobility Solutions ("ams"), classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-039-3181 has 1 manufacturer part number on file: 39870-3 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-148-5764. Verify interchangeability with system specifications before substitution.
Key specifications for 39870-3: Inclosure Type: OPEN; Body Outside Diameter: 0.250 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Coil Form Type: AIR WOUND SINGLE COMPONENT. 8 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.