The Waveguide Assembly, cataloged under National Stock Number 5985-00-009-3866, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-009-3866 |
| Primary Part Number | G5185-161 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | BEND TYPE |
| Waveguide Inside Width | 0.622 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 0.705 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Outside Height | 0.391 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.702 INCHES NOMINAL IN |
| Flange Depth | 0.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Insertion Loss in Decibels | 0.20 |
| Waveguide Inside Height | 0.311 INCHES NOMINAL IN |
| Material | COPPER ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE 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 |
|---|---|
| G128-279-001 | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| G5185-161 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| Reference | Meaning |
|---|---|
| G5185-161 | 5/9 Secondary reference U.S. Government activity |
| G5185-161 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| G128-279-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-009-3866 is a Waveguide Assembly, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-009-3866 has 2 manufacturer part numbers on file: G128-279-001 (Bae Systems Information and Electronic Systems Integration Inc.), G5185-161 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for G5185-161: Flange Quantity: 2; Voltage Standing Wave Ratio: 1.10; Style Designator: BEND TYPE; Waveguide Inside Width: 0.622 INCHES NOMINAL IN. 16 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 5985-00-009-3866 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.