The Coil,radio Frequency, cataloged under National Stock Number 5950-01-540-7433, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dbp Microwave Inc. Dba Dbp Microwave Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-540-7433 |
| Primary Part Number | 201321 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Dbp Microwave Inc. Dba Dbp Microwave Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 201321 PRIMARY | Dbp Microwave Inc. Dba Dbp Microwave Inc. (USA) |
| C19900283 PRIMARY | Cypress Magnetics Inc (USA) |
| 3J611 PRIMARY | Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 4140041-1 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| 4140041-1 | 7/9 Vendor item drawing reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
NSN 5950-01-540-7433 is a Coil,radio Frequency, manufactured by Dbp Microwave Inc. Dba Dbp Microwave Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-540-7433 has 3 manufacturer part numbers on file: 201321 (Dbp Microwave Inc. Dba Dbp Microwave Inc.), C19900283 (Cypress Magnetics Inc), 3J611 (Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-681-6468. Verify interchangeability with system specifications before substitution.
Key specifications for 201321: End Item Identification: C-17 AIRCRAFT. 0 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.