PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XR-8Ring,seat,suction

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-121-8105 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-121-8105 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-121-8105. Primary manufacturer part number: XR-8.
Features
  • Ring,seat,suction — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,seat,suction, cataloged under National Stock Number 4320-01-121-8105, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 3 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.

Catalog Facts
Item NameRing,seat,suction
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857); Acme Products & Engineering Inc (CAGE 1T943)
Technical Specifications
ParameterValue
NSN4320-01-121-8105
Primary Part NumberXR-8
Item NameRing,seat,suction
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-01-366-8228 INTERCHANGEABLE
Handle,socket Wrench
Cross-Reference Index
Part NumberManufacturer
A-1497-2 PIECE 185 Circor Naval Solutions Llc Dba Warren Pumps (USA)
XR-8 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
XR-8-AP Acme Products & Engineering Inc (USA)
Related Parts
5120-01-366-8228INTERCHANGEABLE
HANDLE,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4320-01-121-8105?

NSN 4320-01-121-8105 is a Ring,seat,suction, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-121-8105?

NSN 4320-01-121-8105 has 3 cross-referenced part numbers: A-1497-2 PIECE 185 (Circor Naval Solutions Llc Dba Warren Pumps), XR-8 (Circor Naval Solutions Llc Dba Warren Pumps), XR-8-AP (Acme Products & Engineering Inc).

What NSN replaces 4320-01-121-8105?

There is 1 known substitute for 4320-01-121-8105: 5120-01-366-8228. Verify interchangeability with system specifications before substitution.

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