The Waveguide Assembly, cataloged under National Stock Number 5985-01-543-9858, 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 Atlantic Microwave Corporation Div Cobham Electronic Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-543-9858 |
| Primary Part Number | 5829491-4 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Atlantic Microwave Corporation Div Cobham Electronic Systems |
| Status | ACTIVE |
| Waveguide Width | 3.000 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.05 |
| Style Designator | TEE, HYBRID TYPE |
| Waveguide Length | 3.600 INCHES NOMINAL IN |
| Specified Frequency | 8.90 GIGAHERTZ MINIMUM AND 9.40 GIGAHERTZ MINIMUM |
| Insertion Loss in Decibels | 0.01 |
| Material | COPPER ALLOY SINGLE 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 |
|---|---|
| 5829491-4 PRIMARY | Atlantic Microwave Corporation Div Cobham Electronic Systems (USA) |
| 5829491-4 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5829491-4 | 5/9 Secondary reference Communications & Power Industries Llc Div Microwave Power Products Division |
| 5829491-4 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
NSN 5985-01-543-9858 is a Waveguide Assembly, manufactured by Atlantic Microwave Corporation Div Cobham Electronic Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-543-9858 has 2 manufacturer part numbers on file: 5829491-4 (Atlantic Microwave Corporation Div Cobham Electronic Systems), 5829491-4 (Naval Sea Systems Command).
Key specifications for 5829491-4: Waveguide Width: 3.000 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.05; Style Designator: TEE, HYBRID TYPE; Waveguide Length: 3.600 INCHES NOMINAL IN. 7 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 5985-01-543-9858 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.