The Flange,waveguide, cataloged under National Stock Number 5985-01-444-1903, 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 American Radar Components Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-444-1903 |
| Primary Part Number | H29FC03-2 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | American Radar Components Inc |
| Status | ACTIVE |
| Flange Inside Height | 0.200 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.800 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.900 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Depth | 0.250 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 0.675 INCHES NOMINAL SINGLE FLANGE IN |
| Material | ALUMINUM ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| H29FC03-2 PRIMARY | American Radar Components Inc (USA) |
| 101972-2 | Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc (USA) |
| 105178-2 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 101972-2 | 5/9 Secondary reference Microwave Design & Mfg |
| A90FA39-2 | 5/2 Secondary reference U.S. Government activity |
| 929203-2C | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-444-1903 is a Flange,waveguide, manufactured by American Radar Components Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-444-1903 has 3 manufacturer part numbers on file: H29FC03-2 (American Radar Components Inc), 101972-2 (Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc), 105178-2 (Frontgrade Technologies Inc.).
Key specifications for H29FC03-2: Flange Inside Height: 0.200 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.800 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN; Flange Inside Width: 0.900 INCHES NOMINAL SINGLE FLANGE IN. 9 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.
NSN 5985-01-444-1903 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.