PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L5Bearing with Pins

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-146-4642 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-146-4642 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-146-4642. Primary manufacturer part number: L5.
Features
  • Bearing with Pins — FSC 4320
  • General Characteristics Item Description: 3.125 IN. O/A LG; 1.969 IN. OD EXCLUDING PINS; 1.187 IN. ID IN
  • Material: COPPER ALLOY
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy construction
General Description

The Bearing with Pins, cataloged under National Stock Number 4320-00-146-4642, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4320-00-146-4642
Primary Part NumberL5
Item NameBearing with Pins
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
General Characteristics Item Description3.125 IN. O/A LG; 1.969 IN. OD EXCLUDING PINS; 1.187 IN. ID IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-189-2991L-5 INTERCHANGEABLE
Key,socket Head Screw
Ngk Metals Corporation Dba N G K Berylco
5340-00-231-98541004AL INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
4030-00-298-3407 INTERCHANGEABLE
Anchor,guy
6625-00-453-4683L5 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Telonic Berkeley, Inc. Dba Telonic Berkeley
5930-00-563-1614181002-466 INTERCHANGEABLE
Switch,rotary
Stromberg-Carlson Corp a Plessey Telecommunications Co
5330-00-584-057722606 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6640-00-811-4429L5 INTERCHANGEABLE
Oven,laboratory
Ele International, Llc Dba Soiltest Products
6635-00-885-6903DPP5 INTERCHANGEABLE
Tester,spring Resiliency
Ametek Inc.
6240-01-048-1714 INTERCHANGEABLE
Lamp,fluorescent
5210-01-065-4528 INTERCHANGEABLE
Gage,force
Cross-Reference Index
Part NumberManufacturer
L5 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R-353 Circor Naval Solutions Llc Dba Warren Pumps (USA)
L5 Calabrese & Sons, Inc. (USA)
Related Parts
5120-00-189-2991INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
L-5
5340-00-231-9854INTERCHANGEABLE
KEY BLANK
1004AL
4030-00-298-3407INTERCHANGEABLE
ANCHOR,GUY
6625-00-453-4683INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
L5
5930-00-563-1614INTERCHANGEABLE
SWITCH,ROTARY
181002-466
5330-00-584-0577INTERCHANGEABLE
SEAL,PLAIN ENCASED
22606
6640-00-811-4429INTERCHANGEABLE
OVEN,LABORATORY
L5
6635-00-885-6903INTERCHANGEABLE
TESTER,SPRING RESILIENCY
DPP5
6240-01-048-1714INTERCHANGEABLE
LAMP,FLUORESCENT
5210-01-065-4528INTERCHANGEABLE
GAGE,FORCE
6210-01-128-6546INTERCHANGEABLE
LENS,LIGHT
L-5
3950-01-200-6725INTERCHANGEABLE
ADJ BRAKE SHOE ASSY
762

Frequently Asked Questions

What is NSN 4320-00-146-4642?

NSN 4320-00-146-4642 is a Bearing with Pins, 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 4320-00-146-4642?

NSN 4320-00-146-4642 has 3 cross-referenced part numbers: L5 (Circor Naval Solutions Llc Dba Warren Pumps), R-353 (Circor Naval Solutions Llc Dba Warren Pumps), L5 (Calabrese & Sons, Inc.).

What NSN replaces 4320-00-146-4642?

There are 12 known substitutes for 4320-00-146-4642: 5120-00-189-2991, 5340-00-231-9854, 4030-00-298-3407 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L5?

Key specifications for L5: General Characteristics Item Description: 3.125 IN. O/A LG; 1.969 IN. OD EXCLUDING PINS; 1.187 IN. ID IN; End Item Identification: WARREN PUMP MODEL 3-CV-10; Material: COPPER ALLOY. 3 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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