PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

005661-A25(23 1/2X11 3/4X1)Filter Element,air Conditioning

Farr Co · NSN 4130-01-378-7828 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-01-378-7828 — this item is cataloged by the U.S. Government under National Stock Number 4130-01-378-7828. Primary manufacturer part number: 005661-A25(23 1/2X11 3/4X1).
Features
  • Filter Element,air Conditioning — FSC 4130
  • Material: STEEL FILTERING MEDIUM
  • Body Thickness: 1.000 INCHES NOMINAL IN
  • Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE
  • Filtering Media Design: LAYERED SECOND FILTERING MEDIA RESPONSE
  • Design Type: REUSABLE
  • Material: STEEL FRAME
  • Style Designator: RECTANGULAR (INCL SQUARE)
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Filtering Medium construction
General Description

The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-378-7828, 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 Farr Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4130-01-378-7828
Primary Part Number005661-A25(23 1/2X11 3/4X1)
Item NameFilter Element,air Conditioning
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerFarr Co
StatusACTIVE
MaterialSTEEL FILTERING MEDIUM
Body Thickness1.000 INCHES NOMINAL IN
Filtering Media DesignCRIMPED FIRST FILTERING MEDIA RESPONSE
Filtering Media DesignLAYERED SECOND FILTERING MEDIA RESPONSE
Design TypeREUSABLE
MaterialSTEEL FRAME
Style DesignatorRECTANGULAR (INCL SQUARE)
Body Overall Length23.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4320-00-226-8030B172 INTERCHANGEABLE
Impeller,right,over
Circor Naval Solutions Llc Dba Warren Pumps
4920-00-866-7008B172 INTERCHANGEABLE
Programmer,autopilo
Lockheed Martin Corp
5330-01-004-4894B17-2 INTERCHANGEABLE
Gasket
Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics
5961-01-148-9865 INTERCHANGEABLE
Pin Diode Switch
1650-01-444-5744B-172 INTERCHANGEABLE
Boot,aircraft Components
Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc
Cross-Reference Index
Part NumberManufacturer
005661-A25 B. G. Peterson Co. (USA)
B-172 Farr Co (USA)
005661-A25(23 1/2X11 3/4X1) PRIMARY Farr Co (USA)
Related Parts
4320-00-226-8030INTERCHANGEABLE
IMPELLER,RIGHT,OVER
B172
4920-00-866-7008INTERCHANGEABLE
PROGRAMMER,AUTOPILO
B172
5330-01-004-4894INTERCHANGEABLE
GASKET
B17-2
5961-01-148-9865INTERCHANGEABLE
PIN DIODE SWITCH
1650-01-444-5744INTERCHANGEABLE
BOOT,AIRCRAFT COMPONENTS
B-172

Frequently Asked Questions

What is NSN 4130-01-378-7828?

NSN 4130-01-378-7828 is a Filter Element,air Conditioning, manufactured by Farr Co, classified under FSC 4130 (No Item Name Available). Status: active.

What are the part numbers for NSN 4130-01-378-7828?

NSN 4130-01-378-7828 has 3 cross-referenced part numbers: 005661-A25 (B. G. Peterson Co.), B-172 (Farr Co), 005661-A25(23 1/2X11 3/4X1) (Farr Co).

What NSN replaces 4130-01-378-7828?

There are 5 known substitutes for 4130-01-378-7828: 4320-00-226-8030, 4920-00-866-7008, 5330-01-004-4894 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 005661-A25(23 1/2X11 3/4X1)?

Key specifications for 005661-A25(23 1/2X11 3/4X1): Material: STEEL FILTERING MEDIUM; Body Thickness: 1.000 INCHES NOMINAL IN; Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Filtering Media Design: LAYERED SECOND FILTERING MEDIA RESPONSE. 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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