The Waveguide Assembly, cataloged under National Stock Number 5985-01-419-9721, 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 Te Connectivity Corporation. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-419-9721 |
| Primary Part Number | 872897-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 0.951 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.280 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.750 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.362 INCHES MINIMUM AND 0.364 INCHES MAXIMUM ALL FLANGES IN |
| Specification/standard Data | 20418-872897 MANUFACTURERS SPECIFICATION CONTROL |
| Waveguide Outside Height | 0.220 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.360 INCHES NOMINAL IN |
| Flange Depth | 0.187 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 0.750 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 0.140 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 0.950 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 |
|---|---|
| 872897-1 PRIMARY | Te Connectivity Corporation (USA) |
| 872897-1 | Ghz Microwave Inc (USA) |
| 872897-1 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 872897-1 | 5/9 Secondary reference M/a-Com Inc |
| 872897-1 | 5/9 Secondary reference U.S. Government activity |
| 872897-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 5985-01-419-9721 is a Waveguide Assembly, manufactured by Te Connectivity Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-419-9721 has 3 manufacturer part numbers on file: 872897-1 (Te Connectivity Corporation), 872897-1 (Ghz Microwave Inc), 872897-1 (Frontgrade Technologies Inc.).
Key specifications for 872897-1: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Style Designator: BEND TYPE. 21 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 5985-01-419-9721 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.