PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

223256Seal Assembly,shaft,spring Loade

Donaldson Company, Inc. · NSN 4320-00-301-7475 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-301-7475 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-301-7475. Primary manufacturer part number: 223256.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CONSISTS OF 2 ITEMS 1 6061-T6 ALALY QQ-A-225/8 SUPPORT RING P/NO. 223260,1 NYLATRON-GS MOLYDISULFIDE IMPREGNATED SEAL P/N0.222126
  • 2 verified cross-references
  • Primary manufacturer: Donaldson Company, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-301-7475, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Donaldson Company, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-301-7475
Primary Part Number223256
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDonaldson Company, Inc.
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 2 ITEMS 1 6061-T6 ALALY QQ-A-225/8 SUPPORT RING P/NO. 223260,1 NYLATRON-GS MOLYDISULFIDE IMPREGNATED SEAL P/N0.222126
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-617-0991 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
423029PC6 Donaldson Company, Inc. (USA)
223256 PRIMARY Donaldson Company, Inc. (USA)
Related Parts
6240-00-617-0991INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 4320-00-301-7475?

NSN 4320-00-301-7475 is a Seal Assembly,shaft,spring Loade, manufactured by Donaldson Company, Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-301-7475?

NSN 4320-00-301-7475 has 2 cross-referenced part numbers: 423029PC6 (Donaldson Company, Inc.), 223256 (Donaldson Company, Inc.).

What NSN replaces 4320-00-301-7475?

There is 1 known substitute for 4320-00-301-7475: 6240-00-617-0991. Verify interchangeability with system specifications before substitution.

What are the specifications of 223256?

Key specifications for 223256: General Characteristics Item Description: CONSISTS OF 2 ITEMS 1 6061-T6 ALALY QQ-A-225/8 SUPPORT RING P/NO. 223260,1 NYLATRON-GS MOLYDISULFIDE IMPREGNATED SEAL P/N0.222126. 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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