The Adapter,waveguide, cataloged under National Stock Number 5985-01-418-9677, 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 Microwave Engineering Corporation. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-418-9677 |
| Primary Part Number | R47-463-C2 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.30 |
| Adapter Overall Width | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 0.717 INCHES MINIMUM AND 0.723 INCHES MAXIMUM IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM SINGLE FLANGE IN |
| Adapter Overall Height | 1.9795 INCHES MAXIMUM IN |
| Adapter Length | 1.910 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.0960 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM SINGLE FLANGE FIRST CONNECTION FACILITY IN |
| Flange Inside Width | 0.717 INCHES MINIMUM AND 0.723 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE THIRD CONNECTION FACILITY |
| Nominal Thread Size | 0.138 INCHES SINGLE FLANGE THIRD CONNECTION FACILITY IN |
| Specification/standard Data | 98750-8949416 MANUFACTURERS SPECIFICATION CONTROL |
| Waveguide Outside Height | 0.418 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.817 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN |
| Flange Depth | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM SINGLE FLANGE IN |
| Insertion Loss in Decibels | 0.06 |
| Surface Treatment | PAINT SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Surface Treatment | CHROMATE SINGLE TUBING SEGMENT AND FLANGE ALL SURFACES |
| Precious Material and Location | CONTACT CENTER CONDUCTOR SURFACES GOLD |
| Waveguide Inside Height | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Adapter Height | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN |
| Thread Class | 2B SINGLE FLANGE THIRD CONNECTION FACILITY |
| Material | ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R47-463-C2 PRIMARY | Microwave Engineering Corporation (USA) |
| 1065335 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| DRA650-TNC-F-SP | 3/9 Design control — primary reference Frontgrade Technologies Inc. |
| 849416-01 | 5/9 Secondary reference U.S. Government activity |
| 849416-01 | 5/9 Secondary reference U.S. Government activity |
| 8949416-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 8949416-01 | 7/9 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-418-9677 is a Adapter,waveguide, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-418-9677 has 2 manufacturer part numbers on file: R47-463-C2 (Microwave Engineering Corporation), 1065335 (Frontgrade Technologies Inc.).
Key specifications for R47-463-C2: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM SINGLE FLANGE IN; Flange Quantity: 1; Precious Material: GOLD. 30 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 5985-01-418-9677 has DEMIL Code D. 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.