PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2813768-1Filter,light,optical Instrument

Honeywell Intl Inc Defense Avionics Systems · NSN 6650-01-302-6401 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-302-6401 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-302-6401. Primary manufacturer part number: 2813768-1.
Features
  • Filter,light,optical Instrument — FSC 6650
  • Material: GLASS SURFACE
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Overall Thickness: 0.050 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Honeywell Intl Inc Defense Avionics 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 6650-01-302-6401, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Honeywell Intl Inc Defense Avionics 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-302-6401
Primary Part Number2813768-1
Item NameFilter,light,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerHoneywell Intl Inc Defense Avionics Systems
StatusACTIVE
MaterialGLASS SURFACE
Overall Diameter0.500 INCHES NOMINAL IN
Overall Thickness0.050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-293-052208580 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
5950-00-647-5071168-18A INTERCHANGEABLE
Transformer,power
Eby Group, Llc, the Dba Eby Company Div Eby Company
2520-00-737-812514DR INTERCHANGEABLE
Power Take-Off
Parker Hannifin Corporation Div Chelsea Products Division
5410-01-203-56171000-0000-00000-2440 INTERCHANGEABLE
Panel,building,prefabricated
Kelly Industries Inc Dba Kelly Klosure Systems
5950-01-292-913922470 INTERCHANGEABLE
Reactor
Kurz & Root Generator Company, Llc
7025-01-464-0066B440 INTERCHANGEABLE
Disk Drive Unit
Lockheed Martin Corporation Div Rms - Manassas
Cross-Reference Index
Part NumberManufacturer
2813768-1 Honeywell Intl Inc Defense Avionics Systems (USA)
B-440 Hoya Corporation Usa Div Optics Division (USA)
Related Parts
3455-00-293-0522INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08580
5950-00-647-5071INTERCHANGEABLE
TRANSFORMER,POWER
168-18A
2520-00-737-8125INTERCHANGEABLE
POWER TAKE-OFF
14DR
5410-01-203-5617INTERCHANGEABLE
PANEL,BUILDING,PREFABRICATED
1000-0000-00000-2440
5950-01-292-9139INTERCHANGEABLE
REACTOR
22470
7025-01-464-0066INTERCHANGEABLE
DISK DRIVE UNIT
B440

Frequently Asked Questions

What is NSN 6650-01-302-6401?

NSN 6650-01-302-6401 is a Filter,light,optical Instrument, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-302-6401?

NSN 6650-01-302-6401 has 2 cross-referenced part numbers: 2813768-1 (Honeywell Intl Inc Defense Avionics Systems), B-440 (Hoya Corporation Usa Div Optics Division).

What NSN replaces 6650-01-302-6401?

There are 6 known substitutes for 6650-01-302-6401: 3455-00-293-0522, 5950-00-647-5071, 2520-00-737-8125 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2813768-1?

Key specifications for 2813768-1: Material: GLASS SURFACE; Overall Diameter: 0.500 INCHES NOMINAL IN; Overall Thickness: 0.050 INCHES NOMINAL IN. 3 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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