PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61957Seal Assembly,shaft,spring Loade

Eaton Corporation Dba Eaton Inoac Div Eaton · NSN 4320-01-195-1570 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-195-1570 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-195-1570. Primary manufacturer part number: 61957.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • 2 verified cross-references
  • 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 4320-01-195-1570, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 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); Wartsila Lips Inc (CAGE 0SYN4)
Technical Specifications
ParameterValue
NSN4320-01-195-1570
Primary Part Number61957
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 6
5905-00-593-82291225784 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-00-758-955310922585 INTERCHANGEABLE
Valve Assembly,manifold
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
3110-01-376-388261957 INTERCHANGEABLE
Bearing,ball,annular
Naval Inventory Control Point Mechanicsburg
5340-01-602-471761957 INTERCHANGEABLE
Stop,mechanical
Aerol Llc
4130-01-660-606461957 INTERCHANGEABLE
Condenser,refrigeration
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6515-01-679-879461-957 INTERCHANGEABLE
Tracer,guide Wire
Ideal Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
61957 PRIMARY Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
61957 Wartsila Lips Inc (USA)
Related Parts
5905-00-593-8229INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
1225784
4820-00-758-9553INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
10922585
3110-01-376-3882INTERCHANGEABLE
BEARING,BALL,ANNULAR
61957
5340-01-602-4717INTERCHANGEABLE
STOP,MECHANICAL
61957
4130-01-660-6064INTERCHANGEABLE
CONDENSER,REFRIGERATION
61957
6515-01-679-8794INTERCHANGEABLE
TRACER,GUIDE WIRE
61-957

Frequently Asked Questions

What is NSN 4320-01-195-1570?

NSN 4320-01-195-1570 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 4320-01-195-1570?

NSN 4320-01-195-1570 has 2 cross-referenced part numbers: 61957 (Eaton Corporation Dba Eaton Inoac Div Eaton), 61957 (Wartsila Lips Inc).

What NSN replaces 4320-01-195-1570?

There are 6 known substitutes for 4320-01-195-1570: 5905-00-593-8229, 4820-00-758-9553, 3110-01-376-3882 and 3 more. Verify interchangeability with system specifications before substitution.

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