PartsTable TECHNICAL DATA SHEET

NSN 1650-01-666-9878Government record, cited

Filter, Fluid1650-01-666-9878

NSN 1650-01-666-9878 · NIIN 016669878 · Part number WPF-4-10QE-V-GS-K-Y20-1

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 09990

Government record, cited

NSN 1650-01-666-9878 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-666-9878. Manufacturer of record part number: WPF-4-10QE-V-GS-K-Y20-1.

Also searched as 1650-01-666-9878 · 1650016669878 · NIIN 016669878 · 01-666-9878 · FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 09990 · WPF-4-10QE-V-GS-K-Y20-1 · WPF-4-10QE-V-E2-K-Y20-1

Nearby stock numbers ← 1650-01-666-9818 Harness Prop · 1650-01-667-0059 Valve, Fluid Pressure Regulating, →

Features

Filter,fluid — FSC 1650
Filtering Media Design: CORE FIRST FILTERING MEDIA RESPONSE
Body Diameter: 5.040 INCHES NOMINAL IN
Body Overall Length: 20.940 INCHES NOMINAL IN
Design Type: REUSABLE
Temp Rating: 135.0 CELSIUS MAXIMUM DEGC
Body Width: 5.040 INCHES NOMINAL IN
Mounting Flange Bolt Hole Quantity: 4

Identification

NSN: 1650-01-666-9878
NIIN: 016669878
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: WPF-4-10QE-V-GS-K-Y20-1
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division

General Description

The Filter,fluid, cataloged under National Stock Number 1650-01-666-9878, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1650-01-666-9878
Primary Part Number	WPF-4-10QE-V-GS-K-Y20-1
Item Name	Filter,fluid
FSC / FSG	1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer	Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Status	ACTIVE
Filtering Media Design	CORE FIRST FILTERING MEDIA RESPONSE
Body Diameter	5.040 INCHES NOMINAL IN
Body Overall Length	20.940 INCHES NOMINAL IN
Design Type	REUSABLE
Temp Rating	135.0 CELSIUS MAXIMUM DEGC
Body Width	5.040 INCHES NOMINAL IN
Mounting Flange Bolt Hole Quantity	4
Style Designator	CYLINDRICAL W/CLOSED ENDS
Operating Pressure	7000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Body Length	20.940 INCHES NOMINAL IN
Mounting Flange Bolt Hole Diameter	0.830 INCHES NOMINAL IN
Material	STEEL SEDIMENT BOWL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
WPF-4-10QE-V-GS-K-Y20-1 PRIMARY	Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)

Reference documents

Reference	Meaning
WPF-4-10QE-V-E2-K-Y20-1	5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division

No interchangeability data on file.

Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

1650-00-011-0886

1650-00-011-0886 · Item name not on file

1650-00-013-3761

SLIDE,SELECTOR

1650-00-059-7742

PARTS KIT,SEAL REPLACEMENT,MECHA

1650-00-101-7836

CLIP,RETURN PLATE

1650-00-138-2779

FILTERING DISK,FLUID

1650-00-162-3907

PARTS KIT,LINEAR ACTUATING CYLIN

1650-00-594-3500

DISK,VALVE

1650-00-658-8056

PARTS KIT,VALVE

Frequently Asked Questions

What is NSN 1650-01-666-9878?

NSN 1650-01-666-9878 is a Filter,fluid, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.

What part numbers are listed for NSN 1650-01-666-9878?

NSN 1650-01-666-9878 has 1 manufacturer part number on file: WPF-4-10QE-V-GS-K-Y20-1 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).

What are the specifications of WPF-4-10QE-V-GS-K-Y20-1?

Key specifications for WPF-4-10QE-V-GS-K-Y20-1: Filtering Media Design: CORE FIRST FILTERING MEDIA RESPONSE; Body Diameter: 5.040 INCHES NOMINAL IN; Body Overall Length: 20.940 INCHES NOMINAL IN; Design Type: REUSABLE. 12 specifications are documented in the U.S. Government catalog.

Is NSN 1650-01-666-9878 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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