PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21954-2Filter Element,fluid

Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div · NSN 4330-00-371-0817 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-371-0817 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-371-0817. Primary manufacturer part number: 21954-2.
Features
  • Filter Element,fluid — FSC 4330
  • Media for Which Designed: AIR
  • Design Type: REUSABLE
  • Body Overall Length: 1.260 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL W/OUT CONTAINER
  • Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE
  • Material: NICKEL ALLOY FILTERING MEDIUM
  • FSC Application Data: VALVE,SHUTOFF,RAM AIR,ENVIRONMENTAL CONTROL SYSTEM,AIRCRAFT
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Nickel Alloy Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-371-0817, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-00-371-0817
Primary Part Number21954-2
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerPall Aeropower Corp Sub of Pall Corp Mectron Industries Div
StatusACTIVE
Media for Which DesignedAIR
Design TypeREUSABLE
Body Overall Length1.260 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL W/OUT CONTAINER
Filtering Media DesignMESH SINGLE FILTERING MEDIA RESPONSE
MaterialNICKEL ALLOY FILTERING MEDIUM
FSC Application DataVALVE,SHUTOFF,RAM AIR,ENVIRONMENTAL CONTROL SYSTEM,AIRCRAFT
Body Diameter0.651 INCHES NOMINAL IN
Flow DirectionOUTSIDE IN
Filtration Rating in Microns10.0 NOMINAL
Body Inside Diameter0.190 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-01-199-3518 INTERCHANGEABLE
Spacer,ring
6515-01-604-2701CL-975 INTERCHANGEABLE
Suture,absorbable,surgical
Covidien Sales Llc Dba Covidien Sales
Cross-Reference Index
Part NumberManufacturer
21954-2 PRIMARY Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
WCP856504-2 PRIMARY Jsn Inc (USA)
856504-2 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
7554262 PRIMARY Pti Technologies Inc. (USA)
856504-2 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
7554262 Arvinmeritor Inc (USA)
Related Parts
5365-01-199-3518INTERCHANGEABLE
SPACER,RING
6515-01-604-2701INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
CL-975

Frequently Asked Questions

What is NSN 4330-00-371-0817?

NSN 4330-00-371-0817 is a Filter Element,fluid, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-00-371-0817?

NSN 4330-00-371-0817 has 6 cross-referenced part numbers: 21954-2 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), WCP856504-2 (Jsn Inc), 856504-2 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 7554262 (Pti Technologies Inc.), 856504-2 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix) and 1 more.

What NSN replaces 4330-00-371-0817?

There are 2 known substitutes for 4330-00-371-0817: 5365-01-199-3518, 6515-01-604-2701. Verify interchangeability with system specifications before substitution.

What are the specifications of 21954-2?

Key specifications for 21954-2: Media for Which Designed: AIR; Design Type: REUSABLE; Body Overall Length: 1.260 INCHES NOMINAL IN; Style Designator: CYLINDRICAL W/OUT CONTAINER. 11 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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