PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6427Breather

Vortox Company · NSN 2520-00-358-4469 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-358-4469 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-358-4469. Primary manufacturer part number: 6427.
Features
  • Breather — FSC 2520
  • Outside Diameter: 4.562 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Vortox Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breather, cataloged under National Stock Number 2520-00-358-4469, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Vortox Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN2520-00-358-4469
Primary Part Number6427
Item NameBreather
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerVortox Company
StatusACTIVE
Outside Diameter4.562 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-620801-04451-00 INTERCHANGEABLE
Ball,bearing
Marison Industries Inc Barco Div
5325-00-470-35396427 INTERCHANGEABLE
Ring,retaining
893 Mfg, Llc
5365-01-163-0641 INTERCHANGEABLE
Spacer,sleeve
5210-01-435-68836427 INTERCHANGEABLE
Caliper,dial
Central Tools, Inc.
1630-01-448-274864-27 INTERCHANGEABLE
Plate,backing,brake
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
2590-01-460-6995 INTERCHANGEABLE
Flagstaff Assy,vehi
5220-01-564-86096427 INTERCHANGEABLE
Toolmaker's Flat
Tru-Stone Technologies
4720-01-625-83586427 INTERCHANGEABLE
Hose Assembly,nonmetallic
Draf Industries, Inc
Cross-Reference Index
Part NumberManufacturer
6427 PRIMARY Vortox Company (USA)
025973 Mitsubishi Caterpillar Forklift America, Inc (USA)
Related Parts
3110-00-100-6208INTERCHANGEABLE
BALL,BEARING
01-04451-00
5325-00-470-3539INTERCHANGEABLE
RING,RETAINING
6427
5365-01-163-0641INTERCHANGEABLE
SPACER,SLEEVE
5210-01-435-6883INTERCHANGEABLE
CALIPER,DIAL
6427
1630-01-448-2748INTERCHANGEABLE
PLATE,BACKING,BRAKE
64-27
2590-01-460-6995INTERCHANGEABLE
FLAGSTAFF ASSY,VEHI
5220-01-564-8609INTERCHANGEABLE
TOOLMAKER'S FLAT
6427
4720-01-625-8358INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6427

Frequently Asked Questions

What is NSN 2520-00-358-4469?

NSN 2520-00-358-4469 is a Breather, manufactured by Vortox Company, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-358-4469?

NSN 2520-00-358-4469 has 2 cross-referenced part numbers: 6427 (Vortox Company), 025973 (Mitsubishi Caterpillar Forklift America, Inc).

What NSN replaces 2520-00-358-4469?

There are 8 known substitutes for 2520-00-358-4469: 3110-00-100-6208, 5325-00-470-3539, 5365-01-163-0641 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6427?

Key specifications for 6427: Outside Diameter: 4.562 INCHES MAXIMUM IN; Overall Height: 2.937 INCHES MAXIMUM IN; Special Features: 2.031 IN.ID;PERFORATED METAL IN. 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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