PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

34559-1BFilter,light,optical Instrument

Rockwell Collins, Inc. Dba Rc Displays Systems · NSN 1240-01-084-4182 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-084-4182 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-084-4182. Primary manufacturer part number: 34559-1B.
Features
  • Filter,light,optical Instrument — FSC 1240
  • Material: PLASTIC SURFACE
  • FSC Application Data: OPTICAL SIGHTING AND RANGING EQUIPMENT
  • Density Variability: NOT VARIABLE
  • 2 verified cross-references
  • Primary manufacturer: Rockwell Collins, Inc. Dba Rc Displays Systems
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Area illumination
  • Indicator and warning display
General Description

The Filter,light,optical Instrument, cataloged under National Stock Number 1240-01-084-4182, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Rc Displays Systems. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-084-4182
Primary Part Number34559-1B
Item NameFilter,light,optical Instrument
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Rc Displays Systems
StatusACTIVE
MaterialPLASTIC SURFACE
FSC Application DataOPTICAL SIGHTING AND RANGING EQUIPMENT
Density VariabilityNOT VARIABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
34559-1B Sellers Optical, Inc. Dba Sellers Optical (USA)
34559-1B PRIMARY Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
Related Parts in Fire Control Equipment
1240-00-000-0160
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1240-00-001-4015
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1240-00-001-4488
FILTER,LIGHT,OPTICAL INSTRUMENT
178AS168-2
1240-00-003-1076
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1240-00-003-8404
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1240-00-003-8405
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1240-00-003-8406
MOUNT,TELESCOPE
11730901

Frequently Asked Questions

What is NSN 1240-01-084-4182?

NSN 1240-01-084-4182 is a Filter,light,optical Instrument, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-01-084-4182?

NSN 1240-01-084-4182 has 2 cross-referenced part numbers: 34559-1B (Sellers Optical, Inc. Dba Sellers Optical), 34559-1B (Rockwell Collins, Inc. Dba Rc Displays Systems).

What are the specifications of 34559-1B?

Key specifications for 34559-1B: Material: PLASTIC SURFACE; FSC Application Data: OPTICAL SIGHTING AND RANGING EQUIPMENT; Special Features: STIFFENER TO BE CRES STRIP 0.015 IN. THICK IN; Density Variability: NOT VARIABLE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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