The Lens,telescope, cataloged under National Stock Number 6650-00-399-2005, 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 L3 Technologies, Inc. Div L3 Keo. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Lens,telescope |
| FSC / FSG | 6650 — Optical Instruments, Test Equipment, Components and Accessories (FSG 66) |
| Manufacturers | L3 Technologies, Inc. Div L3 Keo (CAGE 34228); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001) |
| Parameter | Value |
|---|---|
| NSN | 6650-00-399-2005 |
| Primary Part Number | 533522-57 |
| Item Name | Lens,telescope |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 533522-57 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 533522-57 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| L110 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2-7 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| L110 | 5/9 Secondary reference Minnesota Mining and Mfg Co Broadcasting and Related Products Div |
| 533522-57 | 5/9 Secondary reference Minnesota Mining and Mfg Co Broadcasting and Related Products Div |
| 53129S2407-533522PC57 | 3/2 Design control — primary reference U.S. Government activity |
| 2-7 | 5/9 Secondary reference U.S. Government activity |
NSN 6650-00-399-2005 is a Lens,telescope, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-399-2005 has 4 manufacturer part numbers on file: 533522-57 (L3 Technologies, Inc. Div L3 Keo), 533522-57 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), L110 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2-7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
9 possible matches (shared part number, not a government interchangeability claim): 5915-00-432-4578, 3010-00-557-9715, 3010-00-726-2405. Verify interchangeability with system specifications before substitution.
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.