The Waveguide Assembly, cataloged under National Stock Number 5985-01-390-3678, 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 The Boeing Company Div Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-390-3678 |
| Primary Part Number | 68J878006-206 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.27 |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.35 |
| 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 |
|---|---|
| 68J878006-206 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 68J878006-206 | 5/9 Secondary reference U.S. Government activity |
| 129599 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-390-3678 is a Waveguide Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-390-3678 has 1 manufacturer part number on file: 68J878006-206 (The Boeing Company Div Defense).
Key specifications for 68J878006-206: Flange Quantity: 2; Voltage Standing Wave Ratio: 1.27; Flexibility: RIGID SINGLE TUBING SEGMENT; Tubing Twist Type: STRAIGHT TWIST SINGLE TUBING SEGMENT. 5 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 5985-01-390-3678 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.