The Ring,quad,special, cataloged under National Stock Number 5985-01-264-4864, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Radio Research Instrument Co., Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Ring,quad,special |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Radio Research Instrument Co., Inc. (CAGE 57174) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-264-4864 |
| Primary Part Number | C72440 |
| Item Name | Ring,quad,special |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Radio Research Instrument Co., Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| C72440 PRIMARY | Radio Research Instrument Co., Inc. (USA) |
NSN 5985-01-264-4864 is a Ring,quad,special, manufactured by Radio Research Instrument Co., Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-264-4864 has 1 manufacturer part number on file: C72440 (Radio Research Instrument Co., Inc.).
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.