PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5661-5Filter Element,air Conditioning

Farr Co · NSN 4130-00-814-4131 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-814-4131 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-814-4131. Primary manufacturer part number: 5661-5.
Features
  • Filter Element,air Conditioning — FSC 4130
  • Body Thickness: 1.000 INCHES NOMINAL IN
  • Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE
  • Material: STEEL FILTERING MEDIUM
  • Maximum Air Flow Rate: 850.0 CUBIC FEET PER MINUTE
  • Material: STEEL FRAME
  • Body Overall Length: 19.500 INCHES NOMINAL IN
  • Design Type: REUSABLE
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 4130-00-814-4131, 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 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4130-00-814-4131
Primary Part Number5661-5
Item NameFilter Element,air Conditioning
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerFarr Co
StatusCANCELLED
Body Thickness1.000 INCHES NOMINAL IN
Filtering Media DesignCRIMPED FIRST FILTERING MEDIA RESPONSE
MaterialSTEEL FILTERING MEDIUM
Maximum Air Flow Rate850.0 CUBIC FEET PER MINUTE
MaterialSTEEL FRAME
Body Overall Length19.500 INCHES NOMINAL IN
Design TypeREUSABLE
Filtering Media DesignMESH SECOND FILTERING MEDIA RESPONSE
Style DesignatorRECTANGULAR (INCL SQUARE)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6670-00-036-7093 INTERCHANGEABLE
Scale,hand,spring,weighing
5330-00-043-65526412B REV 184 INTERCHANGEABLE
Gasket
Garlock Sealing Technologies Llc Div Garlock Sealing Technologies
6625-00-089-3492250DA INTERCHANGEABLE
Bridge,capacitance-Inductance-Re
Electro Scientific Industries Inc
5930-00-237-772628-5146G1 INTERCHANGEABLE
Switch,interlock
Raytheon Company Dba Raytheon Co
6625-00-243-31321022 INTERCHANGEABLE
Indicator,phase Sequence
Q V S Inc
2530-00-495-8640F4600 INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
1730-00-604-1668104955 INTERCHANGEABLE
Hoisting Unit,aircraft Component
Air Logistics Corporation Dba Air Logistics Corp
5307-00-658-0617SMB187563 INTERCHANGEABLE
Stud,assy
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-665-7873 INTERCHANGEABLE
Connector,receptacle,electrical
6625-00-896-71044600 INTERCHANGEABLE
Power Supply,low Vo
Electro Scientific Industries Inc
Cross-Reference Index
Part NumberManufacturer
5661-5 PRIMARY Farr Co (USA)
4600 PRIMARY Cal-Power Corporation (USA)
HAD4131-0 Marco Filters Inc (USA)
Related Parts
6670-00-036-7093INTERCHANGEABLE
SCALE,HAND,SPRING,WEIGHING
5330-00-043-6552INTERCHANGEABLE
GASKET
6412B REV 184
6625-00-089-3492INTERCHANGEABLE
BRIDGE,CAPACITANCE-INDUCTANCE-RE
250DA
5930-00-237-7726INTERCHANGEABLE
SWITCH,INTERLOCK
28-5146G1
6625-00-243-3132INTERCHANGEABLE
INDICATOR,PHASE SEQUENCE
1022
2530-00-495-8640INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
F4600
1730-00-604-1668INTERCHANGEABLE
HOISTING UNIT,AIRCRAFT COMPONENT
104955
5307-00-658-0617INTERCHANGEABLE
STUD,ASSY
SMB187563
5935-00-665-7873INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6625-00-896-7104INTERCHANGEABLE
POWER SUPPLY,LOW VO
4600
1005-00-937-1024INTERCHANGEABLE
CASE,CARRYING,RIFLE
23AA048
6625-00-951-2288INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 4130-00-814-4131?

NSN 4130-00-814-4131 is a Filter Element,air Conditioning, manufactured by Farr Co, classified under FSC 4130 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4130-00-814-4131?

NSN 4130-00-814-4131 has 3 cross-referenced part numbers: 5661-5 (Farr Co), 4600 (Cal-Power Corporation), HAD4131-0 (Marco Filters Inc).

What NSN replaces 4130-00-814-4131?

There are 12 known substitutes for 4130-00-814-4131: 6670-00-036-7093, 5330-00-043-6552, 6625-00-089-3492 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5661-5?

Key specifications for 5661-5: Body Thickness: 1.000 INCHES NOMINAL IN; Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Material: STEEL FILTERING MEDIUM; Maximum Air Flow Rate: 850.0 CUBIC FEET PER MINUTE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4130-00-814-4131 still in active supply?

NSN 4130-00-814-4131 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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