PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

12266931Holder,optical Element

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 1240-01-068-6676 · FSC 1240 · Optical Sighting and Ranging Equipment
Government record, cited
NSN 1240-01-068-6676 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-068-6676. Primary manufacturer part number: 12266931.
Features
  • Holder,optical Element — FSC 1240
  • Supporting Object/surface Attachment Method: FOUR 0.219 IN. MOUNTING HOLES ON 2.000 IN. BY 2.000 IN. MOUNTING CENTERS IN
  • Surface Treatment: OXIDE
  • Material: STEEL CORROSION RESISTING
  • 3 commercial cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
  • NSN: 1240-01-068-6676
  • NIIN: 010686676
  • FSC: 1240 — Optical Sighting and Ranging Equipment
  • FSG: 12 — Fire Control Equipment
  • Primary part number: 12266931
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Holder,optical Element, cataloged under National Stock Number 1240-01-068-6676, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 specifications, cited from the U.S. Government catalog. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-068-6676
Primary Part Number12266931
Item NameHolder,optical Element
FSC / FSG1240 / 12 — Optical Sighting and Ranging Equipment
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Supporting Object/surface Attachment MethodFOUR 0.219 IN. MOUNTING HOLES ON 2.000 IN. BY 2.000 IN. MOUNTING CENTERS IN
Surface TreatmentOXIDE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HazardNot stated in government record
Cross-Reference Index
Part NumberManufacturer
957C048131 L3 Technologies, Inc. Div L3 Keo (USA)
048131 L3 Technologies, Inc. Div L3 Keo (USA)
12266931 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Other items in FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-000-0160
SIGHT UNIT
1240-00-001-4488
FILTER,LIGHT,OPTICAL INSTRUMENT
1240-00-003-8406
MOUNT,TELESCOPE

Frequently Asked Questions

What is NSN 1240-01-068-6676?

NSN 1240-01-068-6676 is a Holder,optical Element, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 1240 (Optical Sighting and Ranging Equipment). Status: active.

What are the part numbers for NSN 1240-01-068-6676?

NSN 1240-01-068-6676 has 3 cross-referenced part numbers: 957C048131 (L3 Technologies, Inc. Div L3 Keo), 048131 (L3 Technologies, Inc. Div L3 Keo), 12266931 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12266931?

Key specifications for 12266931: Supporting Object/surface Attachment Method: FOUR 0.219 IN. MOUNTING HOLES ON 2.000 IN. BY 2.000 IN. MOUNTING CENTERS IN; Special Features: HAS 45 DEG BEVEL TWO PLACES; Surface Treatment: OXIDE; Material: STEEL CORROSION RESISTING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 1240-01-068-6676 hazardous material?

Hazard status is not stated in the government record for NSN 1240-01-068-6676 — no DOT hazard class, UN number, or hazard classification field is present in the cited data. This page does not assert an item is or is not hazardous.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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