PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H38Ring,lantern

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-396-2491 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-396-2491 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-396-2491. Primary manufacturer part number: H38.
Features
  • Ring,lantern — FSC 4320
  • Inside Diameter: 1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Outside Diameter: 1.844 INCHES NOMINAL IN
  • Height: 0.500 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 4320-00-396-2491, 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-396-2491
Primary Part NumberH38
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Inside Diameter1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Outside Diameter1.844 INCHES NOMINAL IN
Height0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5360-00-063-0911 INTERCHANGEABLE
Spring,helical,compression
5950-00-098-7809755369 INTERCHANGEABLE
Transformer,audio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-106-7278H38 INTERCHANGEABLE
Heater,thermal Release
Eaton Corporation Dba Eaton Inoac
2920-00-362-05830155613-00 INTERCHANGEABLE
Cap,ignition Distribution
Hyster-Yale Group, Inc. Dba Yale Materials Handling
3110-00-493-3553180468 INTERCHANGEABLE
Bearing,ball,annular
Telemechanics Inc
5961-00-766-9381 INTERCHANGEABLE
Semiconductor Device,photo
5999-00-823-9056H38 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
4730-01-082-7174H-38 INTERCHANGEABLE
Fitting,lubrication
Saf-Holland, Inc.
3120-01-171-6380H 3/8 INTERCHANGEABLE
Bushing,sleeve
Emerson Electric Co Browning Mfg Div
Cross-Reference Index
Part NumberManufacturer
R717REVAPCN32251-17 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R330REVASH1PC14 Circor Naval Solutions Llc Dba Warren Pumps (USA)
H38 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R247PC94 Circor Naval Solutions Llc Dba Warren Pumps (USA)
R-247,PC.94 Euramco Safety Inc (USA)
Related Parts
5360-00-063-0911INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-098-7809INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
755369
5999-00-106-7278INTERCHANGEABLE
HEATER,THERMAL RELEASE
H38
2920-00-362-0583INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
0155613-00
3110-00-493-3553INTERCHANGEABLE
BEARING,BALL,ANNULAR
180468
5961-00-766-9381INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
5999-00-823-9056INTERCHANGEABLE
HEATER,THERMAL RELEASE
H38
4730-01-082-7174INTERCHANGEABLE
FITTING,LUBRICATION
H-38
3120-01-171-6380INTERCHANGEABLE
BUSHING,SLEEVE
H 3/8

Frequently Asked Questions

What is NSN 4320-00-396-2491?

NSN 4320-00-396-2491 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 4320-00-396-2491?

NSN 4320-00-396-2491 has 5 cross-referenced part numbers: R717REVAPCN32251-17 (Circor Naval Solutions Llc Dba Warren Pumps), R330REVASH1PC14 (Circor Naval Solutions Llc Dba Warren Pumps), H38 (Circor Naval Solutions Llc Dba Warren Pumps), R247PC94 (Circor Naval Solutions Llc Dba Warren Pumps), R-247,PC.94 (Euramco Safety Inc).

What NSN replaces 4320-00-396-2491?

There are 9 known substitutes for 4320-00-396-2491: 5360-00-063-0911, 5950-00-098-7809, 5999-00-106-7278 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H38?

Key specifications for H38: Special Features: W/TWO NOTCHES,0.172 IN. W BY 0.125 IN. DEEP,IN OUTER PERIPHERY SPACED 180 DEG APART,W/FOUR PERFORATIONS,0.453 IN. LG BY 0.281 IN. W,IN WEB OF RING,SPACED 90 DEG APART IN; Inside Diameter: 1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Outside Diameter: 1.844 INCHES NOMINAL IN. 5 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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