PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E29Ring,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-103-8375 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-103-8375 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-103-8375. Primary manufacturer part number: E29.
Features
  • Ring,wearing — FSC 4320
  • Flange Diameter: 2.980 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Style: EXTERNAL FLANGE
  • Left Side Flange Thickness: 0.190 INCHES NOMINAL IN
  • Body Outside Diameter: 2.620 INCHES NOMINAL IN
  • Body Inside Diameter: 2.300 INCHES NOMINAL IN
  • Material: COPPER ALLOY
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-103-8375, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-103-8375
Primary Part NumberE29
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Flange Diameter2.980 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Body StyleEXTERNAL FLANGE
Left Side Flange Thickness0.190 INCHES NOMINAL IN
Body Outside Diameter2.620 INCHES NOMINAL IN
Body Inside Diameter2.300 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-85517333354 INTERCHANGEABLE
Bearing,ball,thrust
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-104-4534E29 INTERCHANGEABLE
Gasket
Victaulic Company of America Inc Dba Victaulic Company of America
1730-00-221-1665E29 INTERCHANGEABLE
Lift Bar,aircraft
The Boeing Company Div Legacy Am&m
6620-00-526-50031559-4-03 INTERCHANGEABLE
Indicator,electrical Tachometer
Elbitamerica, Inc.
6620-00-526-66271560U4-03 INTERCHANGEABLE
Indicator,electrical Tachometer
Elbitamerica, Inc.
3110-00-727-5955 INTERCHANGEABLE
Bearing,ball,annular
5999-01-157-3357E29 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
3110-01-258-7680E2-9 INTERCHANGEABLE
Bearing,ball,annular
Designatronics Incorporated Div Sterling Instruments Div
Cross-Reference Index
Part NumberManufacturer
E29 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS6-1633PC6 Circor Naval Solutions Llc Dba Warren Pumps (USA)
E5253D Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3110-00-100-8551INTERCHANGEABLE
BEARING,BALL,THRUST
7333354
5330-00-104-4534INTERCHANGEABLE
GASKET
E29
1730-00-221-1665INTERCHANGEABLE
LIFT BAR,AIRCRAFT
E29
6620-00-526-5003INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
1559-4-03
6620-00-526-6627INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
1560U4-03
3110-00-727-5955INTERCHANGEABLE
BEARING,BALL,ANNULAR
5999-01-157-3357INTERCHANGEABLE
HEATER,THERMAL RELEASE
E29
3110-01-258-7680INTERCHANGEABLE
BEARING,BALL,ANNULAR
E2-9

Frequently Asked Questions

What is NSN 4320-00-103-8375?

NSN 4320-00-103-8375 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-103-8375?

NSN 4320-00-103-8375 has 3 cross-referenced part numbers: E29 (Circor Naval Solutions Llc Dba Warren Pumps), BS6-1633PC6 (Circor Naval Solutions Llc Dba Warren Pumps), E5253D (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-103-8375?

There are 8 known substitutes for 4320-00-103-8375: 3110-00-100-8551, 5330-00-104-4534, 1730-00-221-1665 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E29?

Key specifications for E29: Flange Diameter: 2.980 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Body Style: EXTERNAL FLANGE; Left Side Flange Thickness: 0.190 INCHES NOMINAL IN. 8 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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