The Lens,optical Instrument, cataloged under National Stock Number 6650-01-079-8549, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-079-8549 |
| Primary Part Number | 12266967 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Individual Lens Style | MENISCUS CONVERGING AND MENISCUS DIVERGING |
| Material Document and Classification | MIL-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE |
| Axial Thickness | 12.0 MILLIMETERS NOMINAL MM |
| Compound Lens Edge Thickness | 10.4 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL |
| Compound Lens Style | DOUBLET |
| Compound Lens Overall Axial Thickness | 12.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 6650-01-079-8549 is a Lens,optical Instrument, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-079-8549 has 2 manufacturer part numbers on file: 48171 (L3 Technologies, Inc. Div L3 Keo), 12266967 (U S Army Tank Automotive Command Amsta-Im-Mm).
4 possible matches (shared part number, not a government interchangeability claim): 5360-01-309-6543, 5133-01-325-5439, 5331-01-563-7394. Verify interchangeability with system specifications before substitution.
Key specifications for 12266967: Individual Lens Style: MENISCUS CONVERGING AND MENISCUS DIVERGING; Material Document and Classification: MIL-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE; Axial Thickness: 12.0 MILLIMETERS NOMINAL MM; Compound Lens Edge Thickness: 10.4 MILLIMETERS NOMINAL MM. 7 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 6650-01-079-8549 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.