PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R9W1146-826-2Filter Element,fluid

Falls Filtration Technologies, Inc. · NSN 1650-00-465-3738 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-465-3738 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-465-3738. Primary manufacturer part number: R9W1146-826-2.
Features
  • Filter Element,fluid — FSC 1650
  • Filtration Rating in Microns: 25.0 ABSOLUTE AND 10.0 NOMINAL
  • Test Data Document: 99167-C55580 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Differential Pressure: ERR-060
  • FSC Application Data: DRIVE,CONSTANT SPEED,AIRCRAFT HYDRAULIC SYSTEM
  • Drop Pressure: ERR-060
  • Flow Direction: OUTSIDE IN
  • Media for Which Designed: FUEL/OIL, HYDROCARBON
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Element,fluid, cataloged under National Stock Number 1650-00-465-3738, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-465-3738
Primary Part NumberR9W1146-826-2
Item NameFilter Element,fluid
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerFalls Filtration Technologies, Inc.
StatusACTIVE
Filtration Rating in Microns25.0 ABSOLUTE AND 10.0 NOMINAL
Test Data Document99167-C55580 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Differential PressureERR-060
FSC Application DataDRIVE,CONSTANT SPEED,AIRCRAFT HYDRAULIC SYSTEM
Drop PressureERR-060
Flow DirectionOUTSIDE IN
Media for Which DesignedFUEL/OIL, HYDROCARBON
Design TypeREUSABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-220-667100252 INTERCHANGEABLE
Nut,plain,hexagon
Defense Logistics Agency Dba Defense Supply Center Philadelphia
3455-00-250-0770 INTERCHANGEABLE
Cutter,milling,end
5330-00-251-318455580 INTERCHANGEABLE
Gasket
H20 Tank Inc U S Motors Div
5910-00-648-791155580 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5330-00-810-998363X1756 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
4820-01-038-2313VCL4P05A INTERCHANGEABLE
Valve,check
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
1080-01-541-30992KP761 INTERCHANGEABLE
Cover,camouflage Screening
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
55580 Hamilton Sundstrand Corporation (USA)
R9W1146-826-2 PRIMARY Falls Filtration Technologies, Inc. (USA)
Related Parts
5310-00-220-6671INTERCHANGEABLE
NUT,PLAIN,HEXAGON
00252
3455-00-250-0770INTERCHANGEABLE
CUTTER,MILLING,END
5330-00-251-3184INTERCHANGEABLE
GASKET
55580
5910-00-648-7911INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
55580
5330-00-810-9983INTERCHANGEABLE
SEAL,PLAIN ENCASED
63X1756
4820-01-038-2313INTERCHANGEABLE
VALVE,CHECK
VCL4P05A
1080-01-541-3099INTERCHANGEABLE
COVER,CAMOUFLAGE SCREENING
2KP761

Frequently Asked Questions

What is NSN 1650-00-465-3738?

NSN 1650-00-465-3738 is a Filter Element,fluid, manufactured by Falls Filtration Technologies, Inc., classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-465-3738?

NSN 1650-00-465-3738 has 2 cross-referenced part numbers: 55580 (Hamilton Sundstrand Corporation), R9W1146-826-2 (Falls Filtration Technologies, Inc.).

What NSN replaces 1650-00-465-3738?

There are 7 known substitutes for 1650-00-465-3738: 5310-00-220-6671, 3455-00-250-0770, 5330-00-251-3184 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R9W1146-826-2?

Key specifications for R9W1146-826-2: Filtration Rating in Microns: 25.0 ABSOLUTE AND 10.0 NOMINAL; Test Data Document: 99167-C55580 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Differential Pressure: ERR-060; FSC Application Data: DRIVE,CONSTANT SPEED,AIRCRAFT HYDRAULIC SYSTEM. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com