PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

379.303.004Deflector,dirt and Liquid

Weil Pump Co Inc · NSN 4320-01-197-8527 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-197-8527 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-197-8527. Primary manufacturer part number: 379.303.004.
Features
  • Deflector,dirt and Liquid — FSC 4320
  • Outside Diameter: 3.000 INCHES NOMINAL IN
  • Material: COPPER ALLOY 903
  • Material Document and Classification: QQ-C-390, ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE
  • Inside Diameter: 1.251 INCHES NOMINAL IN
  • Body Length: 0.688 INCHES NOMINAL IN
  • Material Thickness: 0.188 INCHES NOMINAL IN
  • 7 verified cross-references
Applications
  • Applications requiring Copper Alloy 903 construction
General Description

The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-01-197-8527, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Weil Pump Co Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 1 manufacturer, 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
NSN4320-01-197-8527
Primary Part Number379.303.004
Item NameDeflector,dirt and Liquid
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWeil Pump Co Inc
StatusACTIVE
Outside Diameter3.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY 903
Material Document and ClassificationQQ-C-390, ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE
Inside Diameter1.251 INCHES NOMINAL IN
Body Length0.688 INCHES NOMINAL IN
Material Thickness0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-3332 INTERCHANGEABLE
Washer,lock
5945-00-076-89549986991 INTERCHANGEABLE
Relay,electromagnetic
Us Army Aviation and Missile Command
4730-00-079-9751103142-1 INTERCHANGEABLE
Elbow,tube to Boss
Metadure Parts & Sales, Inc.
3110-00-155-95651315MWI INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
3110-00-156-1750 INTERCHANGEABLE
Bearing,ball,thrust
6505-00-727-32084315 INTERCHANGEABLE
Hydrochlorothiazide Tablets
Ciba-Geigy Corp Ciba Pharmaceuticals Div
1005-00-731-00807310080 INTERCHANGEABLE
Pin,firing
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5305-00-834-55694315 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
4930-01-008-6342 INTERCHANGEABLE
Adapter,grease Gun Coupling
5935-01-011-95624315- INTERCHANGEABLE
Backshell,electrical Connector
Electro Adapter Inc
Cross-Reference Index
Part NumberManufacturer
379.303.004 PRIMARY Weil Pump Co Inc (USA)
4315 Weil Pump Co Inc (USA)
A10341 Weil Pump Co Inc (USA)
A10341PC4 Weil Pump Co Inc (USA)
A10218 Weil Pump Co Inc (USA)
79303-004 PRIMARY Weil Pump Co Inc (USA)
A10218 PIECE 4 Weil Pump Co Inc (USA)
Related Parts
5310-00-010-3332INTERCHANGEABLE
WASHER,LOCK
5945-00-076-8954INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9986991
4730-00-079-9751INTERCHANGEABLE
ELBOW,TUBE TO BOSS
103142-1
3110-00-155-9565INTERCHANGEABLE
BEARING,BALL,ANNULAR
1315MWI
3110-00-156-1750INTERCHANGEABLE
BEARING,BALL,THRUST
6505-00-727-3208INTERCHANGEABLE
HYDROCHLOROTHIAZIDE TABLETS
4315
1005-00-731-0080INTERCHANGEABLE
PIN,FIRING
7310080
5305-00-834-5569INTERCHANGEABLE
SCREW,SHOULDER
4315
4930-01-008-6342INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
5935-01-011-9562INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
4315-
5970-01-139-0854INTERCHANGEABLE
INSULATOR,PLATE
5820-01-147-9011INTERCHANGEABLE
INSTALLATION KIT,ELECTRONIC EQUI
621-7846-007

Frequently Asked Questions

What is NSN 4320-01-197-8527?

NSN 4320-01-197-8527 is a Deflector,dirt and Liquid, manufactured by Weil Pump Co Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-197-8527?

NSN 4320-01-197-8527 has 7 cross-referenced part numbers: 379.303.004 (Weil Pump Co Inc), 4315 (Weil Pump Co Inc), A10341 (Weil Pump Co Inc), A10341PC4 (Weil Pump Co Inc), A10218 (Weil Pump Co Inc) and 2 more.

What NSN replaces 4320-01-197-8527?

There are 12 known substitutes for 4320-01-197-8527: 5310-00-010-3332, 5945-00-076-8954, 4730-00-079-9751 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 379.303.004?

Key specifications for 379.303.004: Outside Diameter: 3.000 INCHES NOMINAL IN; Material: COPPER ALLOY 903; Material Document and Classification: QQ-C-390, ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 1.251 INCHES NOMINAL IN. 7 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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