The Waveguide Assembly, cataloged under National Stock Number 5985-00-494-1824, 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 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-494-1824 |
| Primary Part Number | G128-331-001 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.05 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.619 INCHES MINIMUM AND 0.644 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.144 INCHES MINIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.705 INCHES MINIMUM AND 0.707 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Length | 1.600 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Waveguide Outside Height | 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Flange Depth | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Inside Height | 0.308 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | COVER 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 |
|---|---|
| G128-331-001 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| G128-331-001 | Microwave Engineering Corporation (USA) |
| G128-331-001 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| G128-331-001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| G128-331-001 | 5/9 Secondary reference Ward Leonard Ct Llc |
| G128-331-001 | 5/9 Secondary reference U.S. Government activity |
| G128-331-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-494-1824 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 5985-00-494-1824 has 3 manufacturer part numbers on file: G128-331-001 (Bae Systems Information and Electronic Systems Integration Inc.), G128-331-001 (Microwave Engineering Corporation), G128-331-001 (Ward Leonard Ct Llc).
Key specifications for G128-331-001: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.05. 20 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 5985-00-494-1824 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.