NSN 1240-01-645-6663 · NIIN 016456663 · Part number 106-0059-0
Nivisys, Llc · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 6QUG2
Government record, cited
NSN 1240-01-645-6663 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-645-6663. Manufacturer of record part number: 106-0059-0.
Also searched as1240-01-645-6663 ·
1240016456663 ·
NIIN 016456663 ·
01-645-6663 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 6QUG2 · 106-0059-0
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 106-0059-0
Manufacturer: Nivisys, Llc
General Description
The Mount,viewer, cataloged under National Stock Number 1240-01-645-6663, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Nivisys, Llc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1240-01-645-6663
Primary Part Number
106-0059-0
Item Name
Mount,viewer
FSC / FSG
1240 / 12 — Optical Sighting and Ranging Equipment
Other items in FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-764-4734
SUNSHADE
1240-00-987-5071
1240-00-987-5071 · Item name not on file
1240-01-068-6676
HOLDER,OPTICAL ELEMENT
1240-01-082-8849
SIGHT,INFINITY
1240-01-090-0609
1240-01-090-0609 · Item name not on file
1240-01-102-4266
1240-01-102-4266 · Item name not on file
1240-01-110-9897
1240-01-110-9897 · Item name not on file
1240-01-361-6090
COLLIMATOR,INFINITY AIMING REFER
Frequently Asked Questions
What is NSN 1240-01-645-6663?
NSN 1240-01-645-6663 is a Mount,viewer, manufactured by Nivisys, Llc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
What part numbers are listed for NSN 1240-01-645-6663?
NSN 1240-01-645-6663 has 1 manufacturer part number on file: 106-0059-0 (Nivisys, Llc).
What are the specifications of 106-0059-0?
Key specifications for 106-0059-0: Elevation Adjustment Mechanism: PROVIDED; Special Features: BLACK IN COLOR; Part Name Assigned by Controlling Agency: MOUNT, VIEWER. 1 specification is documented in the U.S. Government catalog.
Is NSN 1240-01-645-6663 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1240-01-645-6663?
NSN 1240-01-645-6663 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.