PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H73Ring,lantern

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-766-1020 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-766-1020 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-766-1020. Primary manufacturer part number: H73.
Features
  • Ring,lantern — FSC 4320
  • Material: COPPER ALLOY OVERALL
  • Inside Diameter: 2.188 INCHES NOMINAL IN
  • Height: 0.750 INCHES NOMINAL IN
  • Outside Diameter: 2.844 INCHES NOMINAL IN
  • 5 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 4320-00-766-1020, 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 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-766-1020
Primary Part NumberH73
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Inside Diameter2.188 INCHES NOMINAL IN
Height0.750 INCHES NOMINAL IN
Outside Diameter2.844 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-501-7530 INTERCHANGEABLE
Terminal,lug
5306-00-589-0361H73 INTERCHANGEABLE
Bolt,shoulder
Schramm, Inc.
5950-00-931-3493H73 INTERCHANGEABLE
Reactor
Magnetika Inc
3120-01-197-1068 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
R808REVAIT5 Circor Naval Solutions Llc Dba Warren Pumps (USA)
H73 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R807REVAIT5 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R809REVBIT1C Circor Naval Solutions Llc Dba Warren Pumps (USA)
N17552 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5940-00-501-7530INTERCHANGEABLE
TERMINAL,LUG
5306-00-589-0361INTERCHANGEABLE
BOLT,SHOULDER
H73
5950-00-931-3493INTERCHANGEABLE
REACTOR
H73
3120-01-197-1068INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 4320-00-766-1020?

NSN 4320-00-766-1020 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 4320-00-766-1020?

NSN 4320-00-766-1020 has 5 cross-referenced part numbers: R808REVAIT5 (Circor Naval Solutions Llc Dba Warren Pumps), H73 (Circor Naval Solutions Llc Dba Warren Pumps), R807REVAIT5 (Circor Naval Solutions Llc Dba Warren Pumps), R809REVBIT1C (Circor Naval Solutions Llc Dba Warren Pumps), N17552 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-766-1020?

There are 4 known substitutes for 4320-00-766-1020: 5940-00-501-7530, 5306-00-589-0361, 5950-00-931-3493 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H73?

Key specifications for H73: Material: COPPER ALLOY OVERALL; Inside Diameter: 2.188 INCHES NOMINAL IN; Height: 0.750 INCHES NOMINAL IN; Outside Diameter: 2.844 INCHES NOMINAL 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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