PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

H30Ring,lantern

Name: H30
SKU: 4320-00-218-4264

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-218-4264 · FSC 4320 · No Item Name Available

Verified by PartsTable

NSN 4320-00-218-4264 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-4264. Primary manufacturer part number: H30.

4320-00-218-4264 — No Item Name Available illustration

Features

Ring,lantern — FSC 4320
Material: COPPER ALLOY OVERALL
Outside Diameter: 1.844 INCHES NOMINAL IN
Inside Diameter: 1.312 INCHES NOMINAL IN
Height: 0.500 INCHES NOMINAL 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 4320-00-218-4264, 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

Parameter	Value
NSN	4320-00-218-4264
Primary Part Number	H30
Item Name	Ring,lantern
FSC / FSG	4320 / 43 — No Item Name Available
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
Status	ACTIVE
Material	COPPER ALLOY OVERALL
Outside Diameter	1.844 INCHES NOMINAL IN
Inside Diameter	1.312 INCHES NOMINAL IN
Height	0.500 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 5

5310-00-021-97551045H INTERCHANGEABLE

Nut,plain,hexagon

Dorsey Trailers Inc

5340-00-276-2021BG141 INTERCHANGEABLE

Handwheel

Cae Usa Inc.

4520-00-378-9681H30 INTERCHANGEABLE

Heating Element,electrical,nonim

Siemens Energy and Automation Inc Siemens Furnas Controls Div

5950-00-480-2056G146-636-001 INTERCHANGEABLE

Transformer,audio Frequency

Bae Systems Information and Electronic Systems Integration Inc.

5962-01-431-0509 INTERCHANGEABLE

Microcircuit,memory

Cross-Reference Index

Part Number	Manufacturer
BS6-1690PC8	Circor Naval Solutions Llc Dba Warren Pumps (USA)
H30 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)

Related Parts

5310-00-021-9755INTERCHANGEABLE

NUT,PLAIN,HEXAGON

1045H

5340-00-276-2021INTERCHANGEABLE

HANDWHEEL

BG141

4520-00-378-9681INTERCHANGEABLE

HEATING ELEMENT,ELECTRICAL,NONIM

H30

5950-00-480-2056INTERCHANGEABLE

TRANSFORMER,AUDIO FREQUENCY

G146-636-001

5962-01-431-0509INTERCHANGEABLE

MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 4320-00-218-4264?

NSN 4320-00-218-4264 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 4320-00-218-4264?

NSN 4320-00-218-4264 has 2 cross-referenced part numbers: BS6-1690PC8 (Circor Naval Solutions Llc Dba Warren Pumps), H30 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-218-4264?

There are 5 known substitutes for 4320-00-218-4264: 5310-00-021-9755, 5340-00-276-2021, 4520-00-378-9681 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H30?

Key specifications for H30: Material: COPPER ALLOY OVERALL; Outside Diameter: 1.844 INCHES NOMINAL IN; Inside Diameter: 1.312 INCHES NOMINAL IN; Height: 0.500 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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