PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23546Filter Element,fluid

Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div · NSN 1650-00-857-4429 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-857-4429 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-857-4429. Primary manufacturer part number: 23546.
Features
  • Filter Element,fluid — FSC 1650
  • FSC Application Data: CONSTANT SPEED DRIVE,STARTER,HYDRAULIC,AIRCRAFT
  • Material: STEEL CORROSION RESISTING FILTERING MEDIUM
  • Filtering Media Design: CORRUGATED SINGLE FILTERING MEDIA RESPONSE
  • Style Designator: CYLINDRICAL W/ INTEGRAL OUTER CASING
  • Body Overall Length: 2.310 INCHES MAXIMUM IN
  • Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 750.0 FAHRENHEIT MAXIMUM DEGF
  • Nominal Thread Size: 0.438 INCHES IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Corrosion Resisting Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 1650-00-857-4429, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-857-4429
Primary Part Number23546
Item NameFilter Element,fluid
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerPall Aeropower Corp Sub of Pall Corp Mectron Industries Div
StatusACTIVE
FSC Application DataCONSTANT SPEED DRIVE,STARTER,HYDRAULIC,AIRCRAFT
MaterialSTEEL CORROSION RESISTING FILTERING MEDIUM
Filtering Media DesignCORRUGATED SINGLE FILTERING MEDIA RESPONSE
Style DesignatorCYLINDRICAL W/ INTEGRAL OUTER CASING
Body Overall Length2.310 INCHES MAXIMUM IN
Temp Rating-65.0 FAHRENHEIT MINIMUM AND 750.0 FAHRENHEIT MAXIMUM DEGF
Nominal Thread Size0.438 INCHES IN
Design TypeREUSABLE
Media for Which DesignedANY ACCEPTABLE
Thread Series DesignatorUNF
Flow DirectionINSIDE OUT
Body Diameter0.700 INCHES MAXIMUM IN
Filtration Rating in Microns10.0 NOMINAL
Body Inside Diameter0.480 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-036-668123546 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
4720-00-067-6578MB11464 INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
3110-00-144-86680042847-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5935-00-243-6882 INTERCHANGEABLE
Clamp,cable,electrical Connector
5310-00-516-260911464 INTERCHANGEABLE
Washer,shouldered and Recessed
Goodrich Corporation Dba Goodrich Corp
5950-00-648-394023546 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-925-464623546 INTERCHANGEABLE
Gasket
Grimes Aerospace Company
4320-00-932-0945 INTERCHANGEABLE
Impeller,pump,centrifugal
5999-00-958-204366100-2 INTERCHANGEABLE
Contact,electrical
Te Connectivity Corporation
4210-01-048-624212252666 INTERCHANGEABLE
Valve Assembly
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
661002 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
23546 PRIMARY Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
B-4897 PRIMARY Jsn Inc (USA)
661002 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
661002 Honeywell International Inc. Div Aerospace - Torrance (USA)
7500882 PRIMARY Pti Technologies Inc. (USA)
661002 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
11-464 PRIMARY Donaldson Company, Inc. (USA)
7500882 Arvinmeritor Inc (USA)
Related Parts
5950-00-036-6681INTERCHANGEABLE
REACTOR
23546
4720-00-067-6578INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
MB11464
3110-00-144-8668INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042847-4
5935-00-243-6882INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
5310-00-516-2609INTERCHANGEABLE
WASHER,SHOULDERED AND RECESSED
11464
5950-00-648-3940INTERCHANGEABLE
TRANSFORMER,POWER
23546
5330-00-925-4646INTERCHANGEABLE
GASKET
23546
4320-00-932-0945INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5999-00-958-2043INTERCHANGEABLE
CONTACT,ELECTRICAL
66100-2
4210-01-048-6242INTERCHANGEABLE
VALVE ASSEMBLY
12252666
3120-01-134-5888INTERCHANGEABLE
BEARING,WASHER,THRUST
3830-01-157-3667INTERCHANGEABLE
END BIT,MOLDBOARD

Frequently Asked Questions

What is NSN 1650-00-857-4429?

NSN 1650-00-857-4429 is a Filter Element,fluid, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-857-4429?

NSN 1650-00-857-4429 has 9 cross-referenced part numbers: 661002 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 23546 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), B-4897 (Jsn Inc), 661002 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 661002 (Honeywell International Inc. Div Aerospace - Torrance) and 4 more.

What NSN replaces 1650-00-857-4429?

There are 12 known substitutes for 1650-00-857-4429: 5950-00-036-6681, 4720-00-067-6578, 3110-00-144-8668 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23546?

Key specifications for 23546: FSC Application Data: CONSTANT SPEED DRIVE,STARTER,HYDRAULIC,AIRCRAFT; Material: STEEL CORROSION RESISTING FILTERING MEDIUM; Filtering Media Design: CORRUGATED SINGLE FILTERING MEDIA RESPONSE; Style Designator: CYLINDRICAL W/ INTEGRAL OUTER CASING. 15 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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