PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NN-19-1Base,bearing

Alfa Laval Inc. · NSN 4330-01-143-9056 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-143-9056 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-143-9056. Primary manufacturer part number: NN-19-1.
Features
  • Base,bearing — FSC 4330
  • General Characteristics Item Description: CAST IRON
  • 2 verified cross-references
  • Primary manufacturer: Alfa Laval Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Base,bearing, cataloged under National Stock Number 4330-01-143-9056, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Alfa Laval Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4330-01-143-9056
Primary Part NumberNN-19-1
Item NameBase,bearing
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerAlfa Laval Inc.
StatusACTIVE
General Characteristics Item DescriptionCAST IRON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-152-2458CO2306-001 INTERCHANGEABLE
Spindle,mechanically Actuated
Alfa Laval Inc
4730-00-218-5912HKA-A502-1-1 INTERCHANGEABLE
Packing Nut
Hatch & Kirk, Inc.
4330-00-274-9581 INTERCHANGEABLE
Ring,control,fluid Flow
4930-00-332-0407AB5028-1 INTERCHANGEABLE
Catch,purfier
Alfa Laval Inc
4330-00-773-2594 INTERCHANGEABLE
Filter Element,fluid
4330-01-143-1467 INTERCHANGEABLE
Cover,fluid Filter
4330-01-143-2920 INTERCHANGEABLE
Stop,idler
4330-01-143-2921 INTERCHANGEABLE
Base,bearing
4330-01-143-4386 INTERCHANGEABLE
Ring,bearing,filler
4330-01-143-9055 INTERCHANGEABLE
Filler,idler
Cross-Reference Index
Part NumberManufacturer
NN-19-1 Alfa Laval Inc. (USA)
NN-19-1 SYMBOL 65 Alfa Laval Inc. (USA)
Related Parts
3040-00-152-2458INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
CO2306-001
4730-00-218-5912INTERCHANGEABLE
PACKING NUT
HKA-A502-1-1
4330-00-274-9581INTERCHANGEABLE
RING,CONTROL,FLUID FLOW
4930-00-332-0407INTERCHANGEABLE
CATCH,PURFIER
AB5028-1
4330-00-773-2594INTERCHANGEABLE
FILTER ELEMENT,FLUID
4330-01-143-1467INTERCHANGEABLE
COVER,FLUID FILTER
4330-01-143-2920INTERCHANGEABLE
STOP,IDLER
4330-01-143-2921INTERCHANGEABLE
BASE,BEARING
4330-01-143-4386INTERCHANGEABLE
RING,BEARING,FILLER
4330-01-143-9055INTERCHANGEABLE
FILLER,IDLER
3020-01-144-2647INTERCHANGEABLE
PULLEY,FLAT
4730-01-144-3113INTERCHANGEABLE
NUT,TUBE COUPLING

Frequently Asked Questions

What is NSN 4330-01-143-9056?

NSN 4330-01-143-9056 is a Base,bearing, manufactured by Alfa Laval Inc., classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-143-9056?

NSN 4330-01-143-9056 has 2 cross-referenced part numbers: NN-19-1 (Alfa Laval Inc.), NN-19-1 SYMBOL 65 (Alfa Laval Inc.).

What NSN replaces 4330-01-143-9056?

There are 12 known substitutes for 4330-01-143-9056: 3040-00-152-2458, 4730-00-218-5912, 4330-00-274-9581 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NN-19-1?

Key specifications for NN-19-1: General Characteristics Item Description: CAST IRON. 1 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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