PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18434Spacer,bearing,firs

Komatsu America Corporation · NSN 2520-00-430-9481 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-430-9481 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-430-9481. Primary manufacturer part number: 18434.
Features
  • Spacer,bearing,firs — FSC 2520
  • 2 verified cross-references
  • Primary manufacturer: Komatsu America Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Spacer,bearing,firs, cataloged under National Stock Number 2520-00-430-9481, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Komatsu America Corporation. 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.

Catalog Facts
Item NameSpacer,bearing,firs
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersKomatsu America Corporation (CAGE 23926)
Technical Specifications
ParameterValue
NSN2520-00-430-9481
Primary Part Number18434
Item NameSpacer,bearing,firs
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-323-139518434 INTERCHANGEABLE
Wrench
Raytheon Company Dba Raytheon
5935-00-349-7050922562-7D INTERCHANGEABLE
Guide,electrical Connector
Raytheon Company Dba Raytheon
5330-00-703-262918434 INTERCHANGEABLE
Gasket
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5330-01-125-1904N1843467 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5985-01-138-3550R18-434 INTERCHANGEABLE
Waveguide Assembly
Microwave Engineering Corporation
3010-01-513-763718434 INTERCHANGEABLE
Clutch,positive,nonvehicular
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
7690-01-521-478818434 INTERCHANGEABLE
Marker,identification
Brady United States
6510-01-588-0738NON21842 INTERCHANGEABLE
Sponge,surgical
Medline Industries, Lp
5340-01-707-6219A40-20625 INTERCHANGEABLE
Clamp,synchro
Rix Industries
4820-01-708-8405A415-18037 INTERCHANGEABLE
Diaphragm,valve,flat
Rix Industries
Cross-Reference Index
Part NumberManufacturer
18434 PRIMARY Komatsu America Corporation (USA)
R18434 Komatsu America Corporation (USA)
Related Parts
5120-00-323-1395INTERCHANGEABLE
WRENCH
18434
5935-00-349-7050INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
922562-7D
5330-00-703-2629INTERCHANGEABLE
GASKET
18434
5330-01-125-1904INTERCHANGEABLE
GASKET
N1843467
5985-01-138-3550INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
R18-434
3010-01-513-7637INTERCHANGEABLE
CLUTCH,POSITIVE,NONVEHICULAR
18434
7690-01-521-4788INTERCHANGEABLE
MARKER,IDENTIFICATION
18434
6510-01-588-0738INTERCHANGEABLE
SPONGE,SURGICAL
NON21842
5340-01-707-6219INTERCHANGEABLE
CLAMP,SYNCHRO
A40-20625
4820-01-708-8405INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
A415-18037
4820-01-708-8410INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
A208-C2132
4710-01-709-1906INTERCHANGEABLE
PIPE ASSEMBLY,METAL
A455-18678

Frequently Asked Questions

What is NSN 2520-00-430-9481?

NSN 2520-00-430-9481 is a Spacer,bearing,firs, manufactured by Komatsu America Corporation, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-430-9481?

NSN 2520-00-430-9481 has 2 cross-referenced part numbers: 18434 (Komatsu America Corporation), R18434 (Komatsu America Corporation).

What NSN replaces 2520-00-430-9481?

There are 12 known substitutes for 2520-00-430-9481: 5120-00-323-1395, 5935-00-349-7050, 5330-00-703-2629 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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