The Viewing Mask, cataloged under National Stock Number 5840-01-067-1965, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-067-1965 |
| Primary Part Number | 589608-1 |
| Item Name | Viewing Mask |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| FSC Application Data | RADAR SET,NONAIRBORNE |
| General Characteristics Item Description | PLASTIC,POLYVINYL CHLORIDE MATERIL,7.000 IN. DIA BY 5.750 IN. LG OVERALL,WITH CONTOUR VIEWING OPENING IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 589608-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 589608-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 589608-1 | C/1 Advisory reference — outside the item-of-supply concept Klein Marine Systems Inc |
NSN 5840-01-067-1965 is a Viewing Mask, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-067-1965 has 1 manufacturer part number on file: 589608-1 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 5960-01-068-6841. Verify interchangeability with system specifications before substitution.
Key specifications for 589608-1: FSC Application Data: RADAR SET,NONAIRBORNE; General Characteristics Item Description: PLASTIC,POLYVINYL CHLORIDE MATERIL,7.000 IN. DIA BY 5.750 IN. LG OVERALL,WITH CONTOUR VIEWING OPENING IN. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.