The Adapter,waveguide, cataloged under National Stock Number 5985-00-344-0190, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-344-0190 |
| Primary Part Number | 630778-501 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 1 |
| Adapter Overall Width | 9.938 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Adapter Length | 6.031 INCHES NOMINAL IN |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Surface Treatment | ENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| Adapter Height | 7.313 INCHES NOMINAL IN |
| 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 |
|---|---|
| 630778-501 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 630778-501 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5985-00-344-0190 is a Adapter,waveguide, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-344-0190 has 1 manufacturer part number on file: 630778-501 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 630778-501: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 1; Adapter Overall Width: 9.938 INCHES NOMINAL IN; Style Designator: WAVEGUIDE TO COAXIAL. 8 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 5985-00-344-0190 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.