PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70509Seal Assembly,shaft,spring Loade

Eaton Corporation Dba Eaton Inoac Div Eaton · NSN 4320-01-250-4019 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-250-4019 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-250-4019. Primary manufacturer part number: 70509.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Dba Eaton Inoac Div Eaton
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 4320-01-250-4019, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersEaton Corporation Dba Eaton Inoac Div Eaton (CAGE 77842)
Technical Specifications
ParameterValue
NSN4320-01-250-4019
Primary Part Number70509
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac Div Eaton
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-319-5561UM3-01M INTERCHANGEABLE
Valve,safety Relief
Eaton Corporation Div Eaton Fluid Power
5935-00-833-0625 INTERCHANGEABLE
Cover,electrical Connector
5950-00-947-8486SMB527561 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-01-184-049170509 INTERCHANGEABLE
Tilting Box,pump
Eaton Aerospace, Llc Dba Jackson South
5305-01-258-461070509 INTERCHANGEABLE
Screw,assembled Washer
Ingersoll-Rand Co Material Handling Div
Cross-Reference Index
Part NumberManufacturer
70509 PRIMARY Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
Related Parts
4820-00-319-5561INTERCHANGEABLE
VALVE,SAFETY RELIEF
UM3-01M
5935-00-833-0625INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
5950-00-947-8486INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SMB527561
4320-01-184-0491INTERCHANGEABLE
TILTING BOX,PUMP
70509
5305-01-258-4610INTERCHANGEABLE
SCREW,ASSEMBLED WASHER
70509

Frequently Asked Questions

What is NSN 4320-01-250-4019?

NSN 4320-01-250-4019 is a Seal Assembly,shaft,spring Loade, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-250-4019?

NSN 4320-01-250-4019 has 1 cross-referenced part number: 70509 (Eaton Corporation Dba Eaton Inoac Div Eaton).

What NSN replaces 4320-01-250-4019?

There are 5 known substitutes for 4320-01-250-4019: 4820-00-319-5561, 5935-00-833-0625, 5950-00-947-8486 and 2 more. Verify interchangeability with system specifications before substitution.

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