The Waveguide Assembly, cataloged under National Stock Number 5985-01-306-5400, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-306-5400 |
| Primary Part Number | 86CD0275-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.42 |
| Waveguide Second Leg Length | 7.330 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | RIGID THIRD TUBING SEGMENT |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Operating Pressure | 25.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Fourth Leg Length | 10.420 INCHES NOMINAL IN |
| Material | ALUMINUM THIRD TUBING SEGMENT |
| Material | ALUMINUM FIRST TUBING SEGMENT |
| Material | BERYLLIUM SECOND TUBING SEGMENT |
| Waveguide Third Leg Length | 8.660 INCHES NOMINAL IN |
| 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 |
|---|---|
| 86CD0275-1 PRIMARY | Frontgrade Technologies Inc. (USA) |
| 86CD0275-1 | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies (USA) |
NSN 5985-01-306-5400 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-306-5400 has 2 manufacturer part numbers on file: 86CD0275-1 (Frontgrade Technologies Inc.), 86CD0275-1 (L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies).
Key specifications for 86CD0275-1: Flange Quantity: 2; Voltage Standing Wave Ratio: 1.42; Waveguide Second Leg Length: 7.330 INCHES NOMINAL IN; Style Designator: THREE BEND TYPE. 13 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 5985-01-306-5400 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.