PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2299Sleeve,shaft

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 4320-01-301-3455 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-301-3455 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-301-3455. Primary manufacturer part number: B2299.
Features
  • Sleeve,shaft — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Sleeve,shaft, cataloged under National Stock Number 4320-01-301-3455, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSleeve,shaft
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersMarine & Industrial Transmissions Ltd (CAGE U2621); Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
ParameterValue
NSN4320-01-301-3455
Primary Part NumberB2299
Item NameSleeve,shaft
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-282-4344B2299 INTERCHANGEABLE
Guide,valve Stem
Niantic Tool, Inc. Dba Niantic Tool Co
5950-01-370-6426844-045-001 INTERCHANGEABLE
Reactor
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
Cross-Reference Index
Part NumberManufacturer
B2299 Marine & Industrial Transmissions Ltd (GBR)
B2299 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
4820-01-282-4344INTERCHANGEABLE
GUIDE,VALVE STEM
B2299
5950-01-370-6426INTERCHANGEABLE
REACTOR
844-045-001

Frequently Asked Questions

What is NSN 4320-01-301-3455?

NSN 4320-01-301-3455 is a Sleeve,shaft, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-301-3455?

NSN 4320-01-301-3455 has 2 cross-referenced part numbers: B2299 (Marine & Industrial Transmissions Ltd), B2299 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 4320-01-301-3455?

There are 2 known substitutes for 4320-01-301-3455: 4820-01-282-4344, 5950-01-370-6426. Verify interchangeability with system specifications before substitution.

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