PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27722Filter Element,fluid

Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div · NSN 4330-01-391-0603 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-391-0603 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-391-0603. Primary manufacturer part number: 27722.
Features
  • Filter Element,fluid — FSC 4330
  • Flow Direction: INSIDE OUT
  • Style Designator: CONICAL W/OUT CONTAINER
  • Material: STEEL CORROSION RESISTING SCREENING
  • Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE
  • Largest Outside Diameter: 0.665 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN
  • Tapered Hole Major Diameter: 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
  • Body Overall Length: 0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Corrosion Resisting Screening construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-01-391-0603, 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 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-391-0603
Primary Part Number27722
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerPall Aeropower Corp Sub of Pall Corp Mectron Industries Div
StatusACTIVE
Flow DirectionINSIDE OUT
Style DesignatorCONICAL W/OUT CONTAINER
MaterialSTEEL CORROSION RESISTING SCREENING
Filtering Media DesignMESH SINGLE FILTERING MEDIA RESPONSE
Largest Outside Diameter0.665 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN
Tapered Hole Major Diameter0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
Body Overall Length0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
Mesh Size20.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-182-1437 INTERCHANGEABLE
Switch,thermostatic
6750-00-702-7317 INTERCHANGEABLE
Bleach,photographic
5325-01-651-744127722 INTERCHANGEABLE
Ring,retaining
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
27722 PRIMARY Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
337-544-9912 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
5930-00-182-1437INTERCHANGEABLE
SWITCH,THERMOSTATIC
6750-00-702-7317INTERCHANGEABLE
BLEACH,PHOTOGRAPHIC
5325-01-651-7441INTERCHANGEABLE
RING,RETAINING
27722

Frequently Asked Questions

What is NSN 4330-01-391-0603?

NSN 4330-01-391-0603 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 4330-01-391-0603?

NSN 4330-01-391-0603 has 2 cross-referenced part numbers: 27722 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), 337-544-9912 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 4330-01-391-0603?

There are 3 known substitutes for 4330-01-391-0603: 5930-00-182-1437, 6750-00-702-7317, 5325-01-651-7441. Verify interchangeability with system specifications before substitution.

What are the specifications of 27722?

Key specifications for 27722: Flow Direction: INSIDE OUT; Special Features: FILTER IS CONICAL IN SHAPE; Style Designator: CONICAL W/OUT CONTAINER; Material: STEEL CORROSION RESISTING SCREENING. 10 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