PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H54Ring,water,seal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-506-2215 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-506-2215 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-506-2215. Primary manufacturer part number: H54.
Features
  • Ring,water,seal — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Ring,water,seal, cataloged under National Stock Number 4320-00-506-2215, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,water,seal
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)
Technical Specifications
ParameterValue
NSN4320-00-506-2215
Primary Part NumberH54
Item NameRing,water,seal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5999-00-491-0821 INTERCHANGEABLE
Heater,thermal Release
5120-01-278-4817H-54 INTERCHANGEABLE
Hammer,hand
Ngk Metals Corporation Dba N G K Berylco
4320-01-325-2962 INTERCHANGEABLE
Pump Unit,centrifugal
Cross-Reference Index
Part NumberManufacturer
R473REVAPC5 Circor Naval Solutions Llc Dba Warren Pumps (USA)
H54 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5999-00-491-0821INTERCHANGEABLE
HEATER,THERMAL RELEASE
5120-01-278-4817INTERCHANGEABLE
HAMMER,HAND
H-54
4320-01-325-2962INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL

Frequently Asked Questions

What is NSN 4320-00-506-2215?

NSN 4320-00-506-2215 is a Ring,water,seal, 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 4320-00-506-2215?

NSN 4320-00-506-2215 has 2 cross-referenced part numbers: R473REVAPC5 (Circor Naval Solutions Llc Dba Warren Pumps), H54 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-506-2215?

There are 3 known substitutes for 4320-00-506-2215: 5999-00-491-0821, 5120-01-278-4817, 4320-01-325-2962. Verify interchangeability with system specifications before substitution.

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