NSN 1240-01-074-0499 · NIIN 010740499 · Part number 12266972
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 1240-01-074-0499 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-074-0499. Manufacturer of record part number: 12266972.
Also searched as1240-01-074-0499 ·
1240010740499 ·
NIIN 010740499 ·
01-074-0499 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 19207 · 12266972 · 957C048176 · 048176
General Characteristics Item Description: MATERIAL:ALUMINUM QQ-A-225/3 2011-T3,QQ-A-225/6 2024-T4,QQ-A-225/8 6061-T6; OVERALL DIA 2.500 IN; OVERALLWIDTH 0.455 IN IN
2 manufacturer part numbers on file
Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
NSN: 1240-01-074-0499
NIIN: 010740499
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 12266972
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Cap,mirror, cataloged under National Stock Number 1240-01-074-0499, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1240-01-074-0499
Primary Part Number
12266972
Item Name
Cap,mirror
FSC / FSG
1240 / 12 — Optical Sighting and Ranging Equipment
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
General Characteristics Item Description
MATERIAL:ALUMINUM QQ-A-225/3 2011-T3,QQ-A-225/6 2024-T4,QQ-A-225/8 6061-T6; OVERALL DIA 2.500 IN; OVERALLWIDTH 0.455 IN IN
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 1240-01-074-0499?
NSN 1240-01-074-0499 is a Cap,mirror, 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 1240-01-074-0499?
NSN 1240-01-074-0499 has 2 manufacturer part numbers on file: 12266972 (U S Army Tank Automotive Command Amsta-Im-Mm), 048176 (L3 Technologies, Inc. Div L3 Keo).
What are the specifications of 12266972?
Key specifications for 12266972: General Characteristics Item Description: MATERIAL:ALUMINUM QQ-A-225/3 2011-T3,QQ-A-225/6 2024-T4,QQ-A-225/8 6061-T6; OVERALL DIA 2.500 IN; OVERALLWIDTH 0.455 IN IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1240-01-074-0499 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.
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.