PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121490Filter Element,air Conditioning

Falls Filtration Technologies, Inc. · NSN 4130-00-555-1785 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-555-1785 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-555-1785. Primary manufacturer part number: 121490.
Features
  • Filter Element,air Conditioning — FSC 4130
  • Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE
  • Design Type: REUSABLE
  • Body Overall Length: 7.750 INCHES NOMINAL IN
  • Filtering Media Design: MESH SECOND FILTERING MEDIA RESPONSE
  • Face Velocity: 360.0 FEET PER MINUTE FT
  • Body Thickness: 0.750 INCHES NOMINAL IN
  • Material: ALUMINUM FILTERING MEDIUM
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Aluminum Filtering Medium construction
General Description

The Filter Element,air Conditioning, cataloged under National Stock Number 4130-00-555-1785, 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 Falls Filtration Technologies, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4130-00-555-1785
Primary Part Number121490
Item NameFilter Element,air Conditioning
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerFalls Filtration Technologies, Inc.
StatusACTIVE
Filtering Media DesignCRIMPED FIRST FILTERING MEDIA RESPONSE
Design TypeREUSABLE
Body Overall Length7.750 INCHES NOMINAL IN
Filtering Media DesignMESH SECOND FILTERING MEDIA RESPONSE
Face Velocity360.0 FEET PER MINUTE FT
Body Thickness0.750 INCHES NOMINAL IN
MaterialALUMINUM FILTERING MEDIUM
Style DesignatorRECTANGULAR (INCL SQUARE)
MaterialALUMINUM FRAME
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-0631 INTERCHANGEABLE
Cup,tapered Roller Bearing
5360-01-165-5564 INTERCHANGEABLE
Spring,helical,compression
6515-01-622-393112-1490 INTERCHANGEABLE
Discriminator,sensory,neurologic
Fabrication Enterprises, Inc. Dba Fabrication Enterprises Inc
Cross-Reference Index
Part NumberManufacturer
334C281H01 Westinghouse Electric Corp (USA)
121490 PRIMARY Falls Filtration Technologies, Inc. (USA)
334C281H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
3110-00-100-0631INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5360-01-165-5564INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6515-01-622-3931INTERCHANGEABLE
DISCRIMINATOR,SENSORY,NEUROLOGIC
12-1490

Frequently Asked Questions

What is NSN 4130-00-555-1785?

NSN 4130-00-555-1785 is a Filter Element,air Conditioning, manufactured by Falls Filtration Technologies, Inc., classified under FSC 4130 (No Item Name Available). Status: active.

What are the part numbers for NSN 4130-00-555-1785?

NSN 4130-00-555-1785 has 3 cross-referenced part numbers: 334C281H01 (Westinghouse Electric Corp), 121490 (Falls Filtration Technologies, Inc.), 334C281H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 4130-00-555-1785?

There are 3 known substitutes for 4130-00-555-1785: 3110-00-100-0631, 5360-01-165-5564, 6515-01-622-3931. Verify interchangeability with system specifications before substitution.

What are the specifications of 121490?

Key specifications for 121490: Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Design Type: REUSABLE; Body Overall Length: 7.750 INCHES NOMINAL IN; Filtering Media Design: MESH SECOND FILTERING MEDIA RESPONSE. 11 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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