The Shielding Bead,electronic, cataloged under National Stock Number 5950-01-067-6691, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Magnetics Group, Inc. Dba Ferronics Div Ferronics, Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-067-6691 |
| Primary Part Number | 21-172-J |
| Item Name | Shielding Bead,electronic |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | National Magnetics Group, Inc. Dba Ferronics Div Ferronics, 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 |
|---|---|
| 21-172-J PRIMARY | National Magnetics Group, Inc. Dba Ferronics Div Ferronics, Inc. (USA) |
| PEI 9338 | Precision Electronics, Inc (USA) |
| 657907-1 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| B4006216-1 | C/1 Advisory reference — outside the item-of-supply concept Department of the Army Hq United States Army Communications Research and Development Command |
NSN 5950-01-067-6691 is a Shielding Bead,electronic, manufactured by National Magnetics Group, Inc. Dba Ferronics Div Ferronics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-067-6691 has 3 manufacturer part numbers on file: 21-172-J (National Magnetics Group, Inc. Dba Ferronics Div Ferronics, Inc.), PEI 9338 (Precision Electronics, Inc), 657907-1 (Raytheon Company).
Key specifications for 21-172-J: Special Features: HOLLOW IN FORM. 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.