The Prism,optical Instrument, cataloged under National Stock Number 6650-01-286-9884, 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. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6650-01-286-9884 |
| Primary Part Number | 66910453-1 |
| Item Name | Prism,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Coating Feature | DIELECTRIC FILM, MULTILAYER |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Surface Finish | POLISHED |
| Overall Thickness | 0.350 INCHES NOMINAL IN |
| Style Designator | PORRO |
| Material | QUARTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 66910453-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 60511113-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 60511113-1 | 5/1 Secondary reference Avimo Us Business Development Inc. |
NSN 6650-01-286-9884 is a Prism,optical Instrument, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-286-9884 has 1 manufacturer part number on file: 66910453-1 (Northrop Grumman Systems Corporation).
Key specifications for 66910453-1: Coating Feature: DIELECTRIC FILM, MULTILAYER; Overall Diameter: 0.500 INCHES NOMINAL IN; Surface Finish: POLISHED; Overall Thickness: 0.350 INCHES NOMINAL IN. 6 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 6650-01-286-9884 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.