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NSN 1240-01-079-9992Government record, cited

Eyepiece Assembly, Optical Instru1240-01-079-9992

NSN 1240-01-079-9992 · NIIN 010799992 · Part number 12266861
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 19207
Government record, cited
NSN 1240-01-079-9992 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-079-9992. Manufacturer of record part number: 12266861.
Also searched as  1240-01-079-9992 · 1240010799992 · NIIN 010799992 · 01-079-9992 · FSC 1240 Optical Sighting and Ranging Equipment · CAGE 19207 · 12266861
Nearby stock numbers  ·
Features
  • Eyepiece Assembly,optical Instru — FSC 1240
  • Diopter Scale: NOT INCLUDED
  • Individual Lens Style: DOUBLE CONVEX
  • Focusing Type: FIXED
  • Lens Arrangement: DOUBLE CONVEX
  • 1 manufacturer part number on file
  • Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
  • NSN: 1240-01-079-9992
  • NIIN: 010799992
  • FSC: 1240 — Optical Sighting and Ranging Equipment
  • FSG: 12 — Fire Control Equipment
  • Primary part number: 12266861
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Eyepiece Assembly,optical Instru, cataloged under National Stock Number 1240-01-079-9992, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 specifications, 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
ParameterValue
NSN1240-01-079-9992
Primary Part Number12266861
Item NameEyepiece Assembly,optical Instru
FSC / FSG1240 / 12 — Optical Sighting and Ranging Equipment
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Diopter ScaleNOT INCLUDED
Individual Lens StyleDOUBLE CONVEX
Focusing TypeFIXED
Lens ArrangementDOUBLE CONVEX
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeN
Cross-Reference Index
Part NumberManufacturer
12266861 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
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
1240-00-001-4014
1240-00-001-4014 · Item name not on file
1240-00-001-4015
1240-00-001-4015 · Item name not on file
1240-00-001-4488
FILTER,LIGHT,OPTICAL INSTRUMENT
1240-00-003-1076
1240-00-003-1076 · Item name not on file
1240-00-003-8404
1240-00-003-8404 · Item name not on file
1240-00-003-8405
1240-00-003-8405 · Item name not on file
1240-00-003-8406
MOUNT,TELESCOPE

Frequently Asked Questions

What is NSN 1240-01-079-9992?

NSN 1240-01-079-9992 is a Eyepiece Assembly,optical Instru, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.

What part numbers are listed for NSN 1240-01-079-9992?

NSN 1240-01-079-9992 has 1 manufacturer part number on file: 12266861 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12266861?

Key specifications for 12266861: Diopter Scale: NOT INCLUDED; Individual Lens Style: DOUBLE CONVEX; Focusing Type: FIXED; Lens Arrangement: DOUBLE CONVEX. 4 specifications are documented in the U.S. Government catalog.

Is NSN 1240-01-079-9992 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 1240-01-079-9992?

NSN 1240-01-079-9992 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.
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