PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10303Impeller,pump Motor Windshield W

Howden Fluid Systems · NSN 1680-00-389-8298 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-389-8298 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-389-8298. Primary manufacturer part number: 10303.
Features
  • Impeller,pump Motor Windshield W — FSC 1680
  • General Characteristics Item Description: 0.312 IN. O/A LG,1.900 IN. MIN,1.906 IN. MAX OD IN
  • 3 verified cross-references
  • Primary manufacturer: Howden Fluid Systems
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Mechanical power generation
  • Drive system operation
General Description

The Impeller,pump Motor Windshield W, cataloged under National Stock Number 1680-00-389-8298, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Howden Fluid Systems. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-00-389-8298
Primary Part Number10303
Item NameImpeller,pump Motor Windshield W
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerHowden Fluid Systems
StatusACTIVE
General Characteristics Item Description0.312 IN. O/A LG,1.900 IN. MIN,1.906 IN. MAX OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-083-86301855574 INTERCHANGEABLE
Shielding Gasket,electronic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-251-9881SC-C-69973 INTERCHANGEABLE
Cover,electrical Switch
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-266-269310303 INTERCHANGEABLE
Gasket
Mcculloch Corp
4820-00-276-9041 INTERCHANGEABLE
Cock,drain
5305-00-333-5046 INTERCHANGEABLE
Screw,machine
2825-00-390-132110303 INTERCHANGEABLE
Disk,hand Valve
Northrop Grumman Systems Corporation Div Marine Systems
5940-00-470-447510-303-3-01 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
3010-00-492-078110-303 INTERCHANGEABLE
Universal Joint,nonvehicular
Apex Tool Group, Llc
2530-00-529-2706 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
3110-00-554-3238 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
10303 Howden Fluid Systems (USA)
10303 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
10303 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
Related Parts
5999-00-083-8630INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
1855574
5930-00-251-9881INTERCHANGEABLE
COVER,ELECTRICAL SWITCH
SC-C-69973
5330-00-266-2693INTERCHANGEABLE
GASKET
10303
4820-00-276-9041INTERCHANGEABLE
COCK,DRAIN
5305-00-333-5046INTERCHANGEABLE
SCREW,MACHINE
2825-00-390-1321INTERCHANGEABLE
DISK,HAND VALVE
10303
5940-00-470-4475INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-303-3-01
3010-00-492-0781INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
10-303
2530-00-529-2706INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
3110-00-554-3238INTERCHANGEABLE
BEARING,BALL,ANNULAR
5133-01-261-9916INTERCHANGEABLE
DRILL,TWIST
5331-01-292-7143INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 1680-00-389-8298?

NSN 1680-00-389-8298 is a Impeller,pump Motor Windshield W, manufactured by Howden Fluid Systems, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-389-8298?

NSN 1680-00-389-8298 has 3 cross-referenced part numbers: 10303 (Howden Fluid Systems), 10303 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 10303 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).

What NSN replaces 1680-00-389-8298?

There are 12 known substitutes for 1680-00-389-8298: 5999-00-083-8630, 5930-00-251-9881, 5330-00-266-2693 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10303?

Key specifications for 10303: End Item Identification: ACFT MODEL S-3A A; General Characteristics Item Description: 0.312 IN. O/A LG,1.900 IN. MIN,1.906 IN. MAX OD IN. 2 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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