The Ring,retaining,optical Element, cataloged under National Stock Number 6650-01-437-6802, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-01-437-6802 |
| Primary Part Number | 3355AS126-1 |
| Item Name | Ring,retaining,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Outside Diameter | 45.0 MILLIMETERS NOMINAL MM |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 3355AS126-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3355AS126-1 | Olympus America Inc (USA) |
| Reference | Meaning |
|---|---|
| 3355AS126-1 | 3/9 Design control — primary reference Olympus America Inc |
NSN 6650-01-437-6802 is a Ring,retaining,optical Element, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-437-6802 has 2 manufacturer part numbers on file: 3355AS126-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3355AS126-1 (Olympus America Inc).
Key specifications for 3355AS126-1: Overall Length: 13.0 MILLIMETERS NOMINAL MM; Outside Diameter: 45.0 MILLIMETERS NOMINAL MM; Special Features: ORBITAL SCAN RING.; End Item Identification: A/P 36T-4, SWING PRISM BORESCOPE SET.. 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.