PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D12559Seal Assembly,shaft,spring Loade

Eg and G Sealol Industrial Sealing Div · NSN 4320-00-931-8130 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-931-8130 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-931-8130. Primary manufacturer part number: D12559.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CONSISTS OF THE FOLLOWING ITEMS; PLATE,SEAL RETAINING 1 EA; SPRING,HELICAL COMPRESSION 1 EA; SEAL,SHAFT 1 EA; RETAINER,SHAFT SEAL 1 EA; PLATE,SPRING RETAINING 1 EA
  • 2 verified cross-references
  • Primary manufacturer: Eg and G Sealol Industrial Sealing Div
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 4320-00-931-8130, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eg and G Sealol Industrial Sealing Div. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-931-8130
Primary Part NumberD12559
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEg and G Sealol Industrial Sealing Div
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF THE FOLLOWING ITEMS; PLATE,SEAL RETAINING 1 EA; SPRING,HELICAL COMPRESSION 1 EA; SEAL,SHAFT 1 EA; RETAINER,SHAFT SEAL 1 EA; PLATE,SPRING RETAINING 1 EA
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-487-8824623-12559-0 INTERCHANGEABLE
Seal,plain
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
Cross-Reference Index
Part NumberManufacturer
D12559 Eg and G Sealol Industrial Sealing Div (USA)
623-12559 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
Related Parts
5330-00-487-8824INTERCHANGEABLE
SEAL,PLAIN
623-12559-0

Frequently Asked Questions

What is NSN 4320-00-931-8130?

NSN 4320-00-931-8130 is a Seal Assembly,shaft,spring Loade, manufactured by Eg and G Sealol Industrial Sealing Div, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-931-8130?

NSN 4320-00-931-8130 has 2 cross-referenced part numbers: D12559 (Eg and G Sealol Industrial Sealing Div), 623-12559 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).

What NSN replaces 4320-00-931-8130?

There is 1 known substitute for 4320-00-931-8130: 5330-00-487-8824. Verify interchangeability with system specifications before substitution.

What are the specifications of D12559?

Key specifications for D12559: General Characteristics Item Description: CONSISTS OF THE FOLLOWING ITEMS; PLATE,SEAL RETAINING 1 EA; SPRING,HELICAL COMPRESSION 1 EA; SEAL,SHAFT 1 EA; RETAINER,SHAFT SEAL 1 EA; PLATE,SPRING RETAINING 1 EA. 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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