The Adapter,waveguide, cataloged under National Stock Number 5985-01-395-9728, 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 Frontgrade Technologies Inc.. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-395-9728 |
| Primary Part Number | DRAH650-SMA-F-2C |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS FIRST TUBING SEGMENT |
| Flange Inside Height | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 1 |
| Precious Material | GOLD |
| Adapter Overall Width | 1.400 INCHES MAXIMUM IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 0.717 INCHES MINIMUM AND 0.723 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM ALL FLANGES IN |
| Adapter Overall Height | 1.400 INCHES MAXIMUM IN |
| Adapter Length | 1.910 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM ALL FLANGES FIRST CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.144 INCHES MINIMUM AND 0.147 INCHES MAXIMUM ALL FLANGES THIRD CONNECTION FACILITY IN |
| Flange Inside Width | 0.717 INCHES MINIMUM AND 0.723 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Outside Height | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN |
| Flange Depth | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM ALL FLANGES IN |
| Tubing Twist Type | STRAIGHT TWIST ALL TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 ALL TUBING SEGMENT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Waveguide Inside Height | 0.100 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Adapter Height | 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN |
| Material | ALUMINUM ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) ALL FLANGES FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 2 UNTHREADED STUD ALL FLANGES SECOND CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES THIRD CONNECTION FACILITY |
| Flange Style | CONTACT, DOUBLE RIDGE TYPE ALL FLANGES |
| 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 |
|---|---|
| DRAH650-SMA-F-2C | Frontgrade Technologies Inc. (USA) |
| R47-464-C3 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 290213P2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-395-9728 is a Adapter,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-395-9728 has 2 manufacturer part numbers on file: DRAH650-SMA-F-2C (Frontgrade Technologies Inc.), R47-464-C3 (Microwave Engineering Corporation).
Key specifications for DRAH650-SMA-F-2C: Tubing Wall Construction Style: SEAMLESS FIRST TUBING SEGMENT; Flange Inside Height: 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 1; Precious Material: GOLD. 28 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 5985-01-395-9728 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.