PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CN343-61Filter Element,air Conditioning

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 4130-00-821-8550 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-821-8550 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-821-8550. Primary manufacturer part number: CN343-61.
Features
  • Filter Element,air Conditioning — FSC 4130
  • Material: ALUMINUM FRAME
  • Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE
  • Design Type: REUSABLE
  • Body Thickness: 0.500 INCHES NOMINAL IN
  • Style Designator: RECTANGULAR (INCL SQUARE)
  • Filtering Media Design: MESH SECOND FILTERING MEDIA RESPONSE
  • Maximum Air Flow Rate: 30.0 CUBIC FEET PER MINUTE
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Aluminum Frame construction
General Description

The Filter Element,air Conditioning, cataloged under National Stock Number 4130-00-821-8550, is classified within Federal Supply Class 4130 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4130-00-821-8550
Primary Part NumberCN343-61
Item NameFilter Element,air Conditioning
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
MaterialALUMINUM FRAME
Filtering Media DesignCRIMPED FIRST FILTERING MEDIA RESPONSE
Design TypeREUSABLE
Body Thickness0.500 INCHES NOMINAL IN
Style DesignatorRECTANGULAR (INCL SQUARE)
Filtering Media DesignMESH SECOND FILTERING MEDIA RESPONSE
Maximum Air Flow Rate30.0 CUBIC FEET PER MINUTE
MaterialALUMINUM FILTERING MEDIUM
Body Overall Length6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6130-01-129-5994 INTERCHANGEABLE
Power Supply
1730-01-485-2173 INTERCHANGEABLE
Fr-Cart,liquid Cooling
1005-01-728-7016122651 INTERCHANGEABLE
Cylinder,gas,gun
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
122651 Falls Filtration Technologies, Inc. (USA)
CN343-61 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
Related Parts
6130-01-129-5994INTERCHANGEABLE
POWER SUPPLY
1730-01-485-2173INTERCHANGEABLE
FR-CART,LIQUID COOLING
1005-01-728-7016INTERCHANGEABLE
CYLINDER,GAS,GUN
122651

Frequently Asked Questions

What is NSN 4130-00-821-8550?

NSN 4130-00-821-8550 is a Filter Element,air Conditioning, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 4130 (No Item Name Available). Status: active.

What are the part numbers for NSN 4130-00-821-8550?

NSN 4130-00-821-8550 has 2 cross-referenced part numbers: 122651 (Falls Filtration Technologies, Inc.), CN343-61 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).

What NSN replaces 4130-00-821-8550?

There are 3 known substitutes for 4130-00-821-8550: 6130-01-129-5994, 1730-01-485-2173, 1005-01-728-7016. Verify interchangeability with system specifications before substitution.

What are the specifications of CN343-61?

Key specifications for CN343-61: Material: ALUMINUM FRAME; Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Design Type: REUSABLE; Body Thickness: 0.500 INCHES NOMINAL IN. 10 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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