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NSN 1240-01-074-0499Government record, cited

Cap, Mirror1240-01-074-0499

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 as  1240-01-074-0499 · 1240010740499 · NIIN 010740499 · 01-074-0499 · FSC 1240 Optical Sighting and Ranging Equipment · CAGE 19207 · 12266972 · 957C048176 · 048176
Nearby stock numbers  ·
Features
  • Cap,mirror — FSC 1240
  • 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
ParameterValue
NSN1240-01-074-0499
Primary Part Number12266972
Item NameCap,mirror
FSC / FSG1240 / 12 — Optical Sighting and Ranging Equipment
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
General Characteristics Item DescriptionMATERIAL: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
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
12266972 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
048176 L3 Technologies, Inc. Div L3 Keo (USA)
Reference documents
ReferenceMeaning
957C048176 5/9 Secondary reference
L3 Technologies, Inc. Div L3 Keo
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 1240-01-074-0499?

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.
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