PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R397PC7Ring,lantern

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-612-7538 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-612-7538 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-612-7538. Primary manufacturer part number: R397PC7.
Features
  • Ring,lantern — FSC 4320
  • Material: STEEL OVERALL
  • Inside Diameter: 1.297 INCHES NOMINAL IN
  • Height: 0.625 INCHES NOMINAL IN
  • Outside Diameter: 1.859 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Applications requiring Steel Overall construction
General Description

The Ring,lantern, cataloged under National Stock Number 4320-00-612-7538, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-612-7538
Primary Part NumberR397PC7
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialSTEEL OVERALL
Inside Diameter1.297 INCHES NOMINAL IN
Height0.625 INCHES NOMINAL IN
Outside Diameter1.859 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2590-00-253-78133330025 INTERCHANGEABLE
Cap,filler Opening
Ed Etnyre & Co
5950-00-883-1935370-116755 INTERCHANGEABLE
Transformer,pulse
Cubic Defense Applications, Inc.
5999-00-884-4716503C553G48 INTERCHANGEABLE
Heater,thermal Release
Eaton Corporation Dba Eaton Inoac
3110-00-949-1883 INTERCHANGEABLE
Cam Follower,needle Bearing
5999-01-035-5051H-48 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
4330-01-247-7670H-48 INTERCHANGEABLE
Filter Element,fluid
Emerson Electric Co Alco Controls Div
5120-01-339-03682002MRMHSS INTERCHANGEABLE
Wrench,torque
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
H48 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R397PC7 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
2590-00-253-7813INTERCHANGEABLE
CAP,FILLER OPENING
3330025
5950-00-883-1935INTERCHANGEABLE
TRANSFORMER,PULSE
370-116755
5999-00-884-4716INTERCHANGEABLE
HEATER,THERMAL RELEASE
503C553G48
3110-00-949-1883INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
5999-01-035-5051INTERCHANGEABLE
HEATER,THERMAL RELEASE
H-48
4330-01-247-7670INTERCHANGEABLE
FILTER ELEMENT,FLUID
H-48
5120-01-339-0368INTERCHANGEABLE
WRENCH,TORQUE
2002MRMHSS

Frequently Asked Questions

What is NSN 4320-00-612-7538?

NSN 4320-00-612-7538 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 4320-00-612-7538?

NSN 4320-00-612-7538 has 2 cross-referenced part numbers: H48 (Circor Naval Solutions Llc Dba Warren Pumps), R397PC7 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-612-7538?

There are 7 known substitutes for 4320-00-612-7538: 2590-00-253-7813, 5950-00-883-1935, 5999-00-884-4716 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R397PC7?

Key specifications for R397PC7: Material: STEEL OVERALL; Inside Diameter: 1.297 INCHES NOMINAL IN; Height: 0.625 INCHES NOMINAL IN; Outside Diameter: 1.859 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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