PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43-187-034Seal Assembly,shaft,spring Loade

John Crane, Inc · NSN 4320-00-298-4000 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-298-4000 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-298-4000. Primary manufacturer part number: 43-187-034.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CONSIST OF SPRING; BAND; SHELL; SPRING HOLDER; FRICTION RING; SEAL FACE; SEAL SEAT; SEAT GASKET
  • 9 verified cross-references
  • Primary manufacturer: John Crane, 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 4320-00-298-4000, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is John Crane, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-298-4000
Primary Part Number43-187-034
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerJohn Crane, Inc
StatusACTIVE
General Characteristics Item DescriptionCONSIST OF SPRING; BAND; SHELL; SPRING HOLDER; FRICTION RING; SEAL FACE; SEAL SEAT; SEAT GASKET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6520-01-594-196352666 INTERCHANGEABLE
Ringless System,dental Casting
Bego Usa Inc
6625-01-631-375802187001 INTERCHANGEABLE
Indicator,digital Display
Kvh Industries Inc
Cross-Reference Index
Part NumberManufacturer
43-187-034 Wartsila Lips Inc (USA)
02-187-001 Eg and G Sealol Industrial Sealing Div (USA)
4320PL0784251 Jednolity Indeks Materialowy - Uniform Material Index (POL)
623-00002-0 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
43-187-034 PRIMARY John Crane, Inc (USA)
623-00002 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
623-0002 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
43-187-034 Defense Maritime Solutions, Inc. (USA)
43-187-034 Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
Related Parts
6520-01-594-1963INTERCHANGEABLE
RINGLESS SYSTEM,DENTAL CASTING
52666
6625-01-631-3758INTERCHANGEABLE
INDICATOR,DIGITAL DISPLAY
02187001

Frequently Asked Questions

What is NSN 4320-00-298-4000?

NSN 4320-00-298-4000 is a Seal Assembly,shaft,spring Loade, manufactured by John Crane, Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-298-4000?

NSN 4320-00-298-4000 has 9 cross-referenced part numbers: 43-187-034 (Wartsila Lips Inc), 02-187-001 (Eg and G Sealol Industrial Sealing Div), 4320PL0784251 (Jednolity Indeks Materialowy - Uniform Material Index), 623-00002-0 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), 43-187-034 (John Crane, Inc) and 4 more.

What NSN replaces 4320-00-298-4000?

There are 2 known substitutes for 4320-00-298-4000: 6520-01-594-1963, 6625-01-631-3758. Verify interchangeability with system specifications before substitution.

What are the specifications of 43-187-034?

Key specifications for 43-187-034: General Characteristics Item Description: CONSIST OF SPRING; BAND; SHELL; SPRING HOLDER; FRICTION RING; SEAL FACE; SEAL SEAT; SEAT GASKET. 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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