PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H56Ring,lantern

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-625-6919 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-625-6919 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-625-6919. Primary manufacturer part number: H56.
Features
  • Ring,lantern — FSC 4320
  • Height: 0.625 INCHES NOMINAL IN
  • Outside Diameter: 2.719 INCHES MINIMUM AND 2.734 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Inside Diameter: 1.799 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Ring,lantern, cataloged under National Stock Number 4320-00-625-6919, 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. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-625-6919
Primary Part NumberH56
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Height0.625 INCHES NOMINAL IN
Outside Diameter2.719 INCHES MINIMUM AND 2.734 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Inside Diameter1.799 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-187-1033H-56 INTERCHANGEABLE
Hammer,hand
Ngk Metals Corporation Dba N G K Berylco
5999-00-194-4961503C553G56 INTERCHANGEABLE
Heater,thermal Release
Eaton Corporation Dba Eaton Inoac
2090-00-540-6460N56-18 INTERCHANGEABLE
Blade,windshield Wiper
Cornell-Carr Co., Inc.
5950-00-881-5855H56 INTERCHANGEABLE
Transformer,pulse
Magnetika Inc
2950-01-057-773416702186 INTERCHANGEABLE
Turbo Supercharger,engine,non-Ai
Fairbanks Morse, Llc
Cross-Reference Index
Part NumberManufacturer
H56 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R522PC12 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5120-00-187-1033INTERCHANGEABLE
HAMMER,HAND
H-56
5999-00-194-4961INTERCHANGEABLE
HEATER,THERMAL RELEASE
503C553G56
2090-00-540-6460INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
N56-18
5950-00-881-5855INTERCHANGEABLE
TRANSFORMER,PULSE
H56
2950-01-057-7734INTERCHANGEABLE
TURBO SUPERCHARGER,ENGINE,NON-AI
16702186

Frequently Asked Questions

What is NSN 4320-00-625-6919?

NSN 4320-00-625-6919 is a Ring,lantern, 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 4320-00-625-6919?

NSN 4320-00-625-6919 has 2 cross-referenced part numbers: H56 (Circor Naval Solutions Llc Dba Warren Pumps), R522PC12 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-625-6919?

There are 5 known substitutes for 4320-00-625-6919: 5120-00-187-1033, 5999-00-194-4961, 2090-00-540-6460 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H56?

Key specifications for H56: Height: 0.625 INCHES NOMINAL IN; Outside Diameter: 2.719 INCHES MINIMUM AND 2.734 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Inside Diameter: 1.799 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN. 4 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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