The Eyeshield,optical Instrument, cataloged under National Stock Number 6650-01-019-0854, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-01-019-0854 |
| Primary Part Number | 594820 |
| Item Name | Eyeshield,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Attachment End Inside Diameter | 1.840 INCHES IN |
| Viewing End Inside Diameter | 1.590 INCHES IN |
| Material | RUBBER AND SILICON |
| Attachment Method | SLIP ON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 594820 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 594820 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 6650-01-019-0854 is a Eyeshield,optical Instrument, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-019-0854 has 1 manufacturer part number on file: 594820 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 594820: Overall Length: 0.500 INCHES NOMINAL IN; Attachment End Inside Diameter: 1.840 INCHES IN; Viewing End Inside Diameter: 1.590 INCHES IN; Material: RUBBER AND SILICON. 4 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.
NSN 6650-01-019-0854 has DEMIL Code Q. 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.