The Flange,waveguide, cataloged under National Stock Number 5985-01-641-3222, 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 Frequency Systems Inc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-641-3222 |
| Primary Part Number | TF220-BW1-090M |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Radio Frequency Systems Inc |
| Status | ACTIVE |
| Flange Inside Height | 1.334 INCHES MINIMUM SINGLE FLANGE IN |
| Flange Inside Width | 2.834 INCHES MINIMUM SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.250 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Depth | 1.235 INCHES MINIMUM SINGLE FLANGE IN |
| Thread Class | 2B SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Thread Quantity Per Inch | 20 SINGLE FLANGE ALL CONNECTION FACILITIES |
| Material | COPPER SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 5.298 INCHES MINIMUM SINGLE FLANGE IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE SINGLE FLANGE |
| 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 |
|---|---|
| TF220-BW1-090M PRIMARY | Radio Frequency Systems Inc (USA) |
NSN 5985-01-641-3222 is a Flange,waveguide, manufactured by Radio Frequency Systems Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-641-3222 has 1 manufacturer part number on file: TF220-BW1-090M (Radio Frequency Systems Inc).
Key specifications for TF220-BW1-090M: Flange Inside Height: 1.334 INCHES MINIMUM SINGLE FLANGE IN; Flange Inside Width: 2.834 INCHES MINIMUM SINGLE FLANGE IN; Thread Direction: RIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY; Nominal Thread Size: 0.250 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN. 12 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.