PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FSP8434Seal Assembly,shaft,spring Loade

Defense Maritime Solutions, Inc. · NSN 4320-00-890-5967 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-890-5967 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-890-5967. Primary manufacturer part number: FSP8434.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: ACCOMODATES A 0.875 IN. SHAFT IN
  • 9 verified cross-references
  • Primary manufacturer: Defense Maritime Solutions, 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 4320-00-890-5967, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-890-5967
Primary Part NumberFSP8434
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDefense Maritime Solutions, Inc.
StatusCANCELLED
General Characteristics Item DescriptionACCOMODATES A 0.875 IN. SHAFT IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2530-00-051-2949RA26733 INTERCHANGEABLE
Rim,wheel,pneumatic Tire
Accuride Corporation Dba Accuride Distributing Llc
5998-00-106-26518601756-503 INTERCHANGEABLE
Electronic Components Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5985-00-498-5084BP13787 INTERCHANGEABLE
Support,waveguide
Burke Products Inc
4820-01-230-35234919 INTERCHANGEABLE
Cock,drain
Weil Pump Co Inc
8455-01-290-7804 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-528-9548 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-647-9797 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
FSP8434 PRIMARY Defense Maritime Solutions, Inc. (USA)
A10355PC8 Weil Pump Co Inc (USA)
X2827 John Crane, Inc (USA)
FSP8434 John Crane, Inc (USA)
X2827BP271TYPE2 7-8IN Weil Pump Co Inc (USA)
X2827B271TY27-8IN John Crane-Houdaille Inc Lawrence Park Industrial District (USA)
X2827BP271 PRIMARY Weil Pump Co Inc (USA)
FSP8434 Wartsila Lips Inc (USA)
A1743 Weil Pump Co Inc (USA)
Related Parts
2530-00-051-2949INTERCHANGEABLE
RIM,WHEEL,PNEUMATIC TIRE
RA26733
5998-00-106-2651INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
8601756-503
5985-00-498-5084INTERCHANGEABLE
SUPPORT,WAVEGUIDE
BP13787
4820-01-230-3523INTERCHANGEABLE
COCK,DRAIN
4919
8455-01-290-7804INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-528-9548INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-647-9797INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4320-00-890-5967?

NSN 4320-00-890-5967 is a Seal Assembly,shaft,spring Loade, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-890-5967?

NSN 4320-00-890-5967 has 9 cross-referenced part numbers: FSP8434 (Defense Maritime Solutions, Inc.), A10355PC8 (Weil Pump Co Inc), X2827 (John Crane, Inc), FSP8434 (John Crane, Inc), X2827BP271TYPE2 7-8IN (Weil Pump Co Inc) and 4 more.

What NSN replaces 4320-00-890-5967?

There are 7 known substitutes for 4320-00-890-5967: 2530-00-051-2949, 5998-00-106-2651, 5985-00-498-5084 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FSP8434?

Key specifications for FSP8434: General Characteristics Item Description: ACCOMODATES A 0.875 IN. SHAFT IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-890-5967 still in active supply?

NSN 4320-00-890-5967 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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