PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

69-303Strainer Element,sediment

Donaldson Company, Inc. · NSN 4730-01-139-2166 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-139-2166 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-139-2166. Primary manufacturer part number: 69-303.
Features
  • Strainer Element,sediment — FSC 4730
  • Material: STEEL
  • Style Designator: RECTANGULAR W/ OR W/O MTG HOLES (INCL SQUARE)(BASICALLY FLAT)
  • Length: 4.500 INCHES NOMINAL IN
  • Width: 4.000 INCHES NOMINAL IN
  • Wire Diameter: 0.028 INCHES NOMINAL IN
  • Mesh Size: 8.0
  • Surface Treatment: PASSIVATE
Applications
  • Applications requiring Steel construction
General Description

The Strainer Element,sediment, cataloged under National Stock Number 4730-01-139-2166, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Donaldson Company, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-139-2166
Primary Part Number69-303
Item NameStrainer Element,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDonaldson Company, Inc.
StatusACTIVE
MaterialSTEEL
Style DesignatorRECTANGULAR W/ OR W/O MTG HOLES (INCL SQUARE)(BASICALLY FLAT)
Length4.500 INCHES NOMINAL IN
Width4.000 INCHES NOMINAL IN
Wire Diameter0.028 INCHES NOMINAL IN
Mesh Size8.0
Surface TreatmentPASSIVATE
Thickness1.250 INCHES NOMINAL IN
Filtering Media DesignMESH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-422-497169-303 INTERCHANGEABLE
Spring,helical
Eaton Corp Opns & Technical Center
5930-01-172-736169303 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5940-01-214-30685023 INTERCHANGEABLE
Terminal,quick Disconnect
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4820-01-284-10686930-3 INTERCHANGEABLE
Valve,regulating,fluid Pressure
King Engineering Corporation Dba King-Gage Systems
Cross-Reference Index
Part NumberManufacturer
10108728 Nimikkeistokeskus Ncb Finland (FIN)
69-303 The Boeing Company Div Defense (USA)
69-303 PRIMARY Donaldson Company, Inc. (USA)
Related Parts
5360-00-422-4971INTERCHANGEABLE
SPRING,HELICAL
69-303
5930-01-172-7361INTERCHANGEABLE
SWITCH,FLOW
69303
5940-01-214-3068INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
5023
4820-01-284-1068INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6930-3

Frequently Asked Questions

What is NSN 4730-01-139-2166?

NSN 4730-01-139-2166 is a Strainer Element,sediment, manufactured by Donaldson Company, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-139-2166?

NSN 4730-01-139-2166 has 3 cross-referenced part numbers: 10108728 (Nimikkeistokeskus Ncb Finland), 69-303 (The Boeing Company Div Defense), 69-303 (Donaldson Company, Inc.).

What NSN replaces 4730-01-139-2166?

There are 4 known substitutes for 4730-01-139-2166: 5360-00-422-4971, 5930-01-172-7361, 5940-01-214-3068 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 69-303?

Key specifications for 69-303: Material: STEEL; End Item Identification: ENGINE FUEL SYSTEM COMPONENTS,AIRCRAFT; Style Designator: RECTANGULAR W/ OR W/O MTG HOLES (INCL SQUARE)(BASICALLY FLAT); Length: 4.500 INCHES NOMINAL IN. 10 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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