The Waveguide Assembly, cataloged under National Stock Number 5985-01-406-5794, 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 15 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 | 5985-01-406-5794 |
| Primary Part Number | 87CD0233-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Special Test Features | APPLICATION SHOWN ON DRWG. 05395 7406-67200 |
| Voltage Standing Wave Ratio | 1.21 |
| Criticality Code Justification | SPCL |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 25.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Center to Center Distance | 19.720 INCHES NOMINAL IN |
| Waveguide Length | 52.530 INCHES NOMINAL IN |
| Tubing Twist Type | STEP TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.70 |
| Surface Treatment | LACQUER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Material | ALUMINUM ALLOY 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 87CD0233-1 PRIMARY | Frontgrade Technologies Inc. (USA) |
| 87CD0233-1 | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies (USA) |
NSN 5985-01-406-5794 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-406-5794 has 2 manufacturer part numbers on file: 87CD0233-1 (Frontgrade Technologies Inc.), 87CD0233-1 (L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies).
Key specifications for 87CD0233-1: Flange Quantity: 2; Special Test Features: APPLICATION SHOWN ON DRWG. 05395 7406-67200; Voltage Standing Wave Ratio: 1.21; Criticality Code Justification: SPCL. 15 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 5985-01-406-5794 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.