PartsTable TECHNICAL DATA SHEET

NSN 4330-01-287-9371Government record, cited

Filter Element, Fluid4330-01-287-9371

NSN 4330-01-287-9371 · NIIN 012879371 · Part number EK55J

Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America · FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters · FSG 43 — Pumps and Compressors · CAGE 58470

Government record, cited

NSN 4330-01-287-9371 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-287-9371. Manufacturer of record part number: EK55J.

Also searched as 4330-01-287-9371 · 4330012879371 · NIIN 012879371 · 01-287-9371 · FSC 4330 Centrifugals, Separators, and Pressure and Vacuum Filters · CAGE 58470 · EK55J · 2EL992 · 2EL992

Nearby stock numbers ← 4330-01-287-5492 Filter Element, Fluid · 4330-01-287-9372 Parts Kit, Fluid Pressure Filter →

Features

Filter Element,fluid — FSC 4330
Filtering Media Design: POROUS OR SINTERED SINGLE FILTERING MEDIA RESPONSE
Filtration Rating in Microns: 40.0 NOMINAL
Flow Direction: OUTSIDE IN
Design Type: LIMITED
Style Designator: CONICAL W/OUT CONTAINER
Filtering System for Which Designed: FULL FLOW
Media for Which Designed: AIR

Identification

NSN: 4330-01-287-9371
NIIN: 012879371
FSC: 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
FSG: 43 — Pumps and Compressors
Primary part number: EK55J
Manufacturer: Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America

General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-01-287-9371, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4330-01-287-9371
Primary Part Number	EK55J
Item Name	Filter Element,fluid
FSC / FSG	4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters
Manufacturer	Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America
Status	ACTIVE
Filtering Media Design	POROUS OR SINTERED SINGLE FILTERING MEDIA RESPONSE
Filtration Rating in Microns	40.0 NOMINAL
Flow Direction	OUTSIDE IN
Design Type	LIMITED
Style Designator	CONICAL W/OUT CONTAINER
Filtering System for Which Designed	FULL FLOW
Media for Which Designed	AIR
Material	COPPER ALLOY FILTERING MEDIUM

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
EK55J PRIMARY	Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America (USA)
2EL992	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
2EL992	5/9 Secondary reference Oshkosh Corp

No interchangeability data on file.

Other items in FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters

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

4330-00-000-0145

FILTER ELEMENT,FLUID

4330-00-000-0145

FILTER ELEMENT,FLUID

4330-00-001-1246

4330-00-001-1246 · Item name not on file

4330-00-001-1733

ADAPTER,FLUID FILTER

4330-00-001-2626

FILTER ELEMENT,FLUID

4330-00-001-2700

4330-00-001-2700 · Item name not on file

4330-00-001-3511

4330-00-001-3511 · Item name not on file

4330-00-001-3512

4330-00-001-3512 · Item name not on file

Frequently Asked Questions

What is NSN 4330-01-287-9371?

NSN 4330-01-287-9371 is a Filter Element,fluid, manufactured by Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.

What part numbers are listed for NSN 4330-01-287-9371?

NSN 4330-01-287-9371 has 2 manufacturer part numbers on file: EK55J (Parker-Hannifin Corporation Dba Pneumatic North America Div Pneumatics North America), 2EL992 (Oshkosh Defense Llc).

What are the specifications of EK55J?

Key specifications for EK55J: Filtering Media Design: POROUS OR SINTERED SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 40.0 NOMINAL; Flow Direction: OUTSIDE IN; Design Type: LIMITED. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4330-01-287-9371 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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