PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121645-1Filter Element,air Conditioning

Falls Filtration Technologies, Inc. · NSN 4130-00-045-9674 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-045-9674 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-045-9674. Primary manufacturer part number: 121645-1.
Features
  • Filter Element,air Conditioning — FSC 4130
  • Design Type: REUSABLE
  • Material: METAL FRAME
  • Body Thickness: 1.875 INCHES NOMINAL IN
  • Material: STEEL FILTERING MEDIUM
  • Maximum Air Flow Rate: 1500.0 CUBIC FEET PER MINUTE
  • Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE
  • Body Overall Length: 24.750 INCHES NOMINAL IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Metal Frame construction
General Description

The Filter Element,air Conditioning, cataloged under National Stock Number 4130-00-045-9674, 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 8 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4130-00-045-9674
Primary Part Number121645-1
Item NameFilter Element,air Conditioning
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerFalls Filtration Technologies, Inc.
StatusACTIVE
Design TypeREUSABLE
MaterialMETAL FRAME
Body Thickness1.875 INCHES NOMINAL IN
MaterialSTEEL FILTERING MEDIUM
Maximum Air Flow Rate1500.0 CUBIC FEET PER MINUTE
Filtering Media DesignMESH SINGLE FILTERING MEDIA RESPONSE
Body Overall Length24.750 INCHES NOMINAL IN
Style DesignatorRECTANGULAR (INCL SQUARE W/ AIR BAFFLE)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-166-4697PL50-4 INTERCHANGEABLE
Connector,plug,electrical
Trompeter Electronics, Inc.
4210-01-377-2983441007 INTERCHANGEABLE
Valve,fire Extinguisher
Tyco Fire Products Lp
5995-01-578-5996121645-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
L3 Technologies, Inc. Div Communication Systems-West
2590-01-624-60914320-12 INTERCHANGEABLE
Cap,filler Opening
Wisco Products Inc Wisco Sarasota Div
Cross-Reference Index
Part NumberManufacturer
121645-1 PRIMARY Falls Filtration Technologies, Inc. (USA)
432012 PRIMARY Avtron Aerospace Inc (USA)
Related Parts
5935-00-166-4697INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL50-4
4210-01-377-2983INTERCHANGEABLE
VALVE,FIRE EXTINGUISHER
441007
5995-01-578-5996INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
121645-1
2590-01-624-6091INTERCHANGEABLE
CAP,FILLER OPENING
4320-12

Frequently Asked Questions

What is NSN 4130-00-045-9674?

NSN 4130-00-045-9674 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 4130-00-045-9674?

NSN 4130-00-045-9674 has 2 cross-referenced part numbers: 121645-1 (Falls Filtration Technologies, Inc.), 432012 (Avtron Aerospace Inc).

What NSN replaces 4130-00-045-9674?

There are 4 known substitutes for 4130-00-045-9674: 5935-00-166-4697, 4210-01-377-2983, 5995-01-578-5996 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121645-1?

Key specifications for 121645-1: Design Type: REUSABLE; Material: METAL FRAME; Body Thickness: 1.875 INCHES NOMINAL IN; Material: STEEL FILTERING MEDIUM. 9 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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