The Lens,optical Instrument, cataloged under National Stock Number 6650-01-397-1925, 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 Eltec Instruments Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-01-397-1925 |
| Primary Part Number | 853 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Eltec Instruments Inc |
| Status | ACTIVE |
| Length | 2.320 INCHES NOMINAL IN |
| Diameter | 1.250 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 87001C3110 | Naval Air Warfare Center Aircraft Div (USA) |
| 853 PRIMARY | Eltec Instruments Inc (USA) |
| Reference | Meaning |
|---|---|
| 87001C3110 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 6650-01-397-1925 is a Lens,optical Instrument, manufactured by Eltec Instruments Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-397-1925 has 2 manufacturer part numbers on file: 87001C3110 (Naval Air Warfare Center Aircraft Div), 853 (Eltec Instruments Inc).
Key specifications for 853: Length: 2.320 INCHES NOMINAL IN; Diameter: 1.250 INCHES NOMINAL IN; End Item Identification: 6350-01-343-7134; Material: PLASTIC. 3 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.