PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H101Ring,lantern

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-959-3055 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-959-3055 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-959-3055. Primary manufacturer part number: H101.
Features
  • Ring,lantern — FSC 4320
  • Inside Diameter: 1.109 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Outside Diameter: 1.531 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
  • Height: 0.438 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 4320-00-959-3055, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-959-3055
Primary Part NumberH101
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Inside Diameter1.109 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Outside Diameter1.531 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
Height0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-054-4425H101 INTERCHANGEABLE
Switch,push
Switchcraft Inc.
3120-00-662-8383 INTERCHANGEABLE
Bearing,sleeve
5950-00-835-3732H101 INTERCHANGEABLE
Transformer,power
Magnetika Inc
6625-01-033-0691 INTERCHANGEABLE
Holder,probe
3460-01-139-4143H-101 INTERCHANGEABLE
Holder,counterbore
Wright Machine & Tool Co., Inc.
6515-01-505-8085H101 INTERCHANGEABLE
Electrode,cautery
Aaron Medical Industries Inc
Cross-Reference Index
Part NumberManufacturer
R1143PC5 Circor Naval Solutions Llc Dba Warren Pumps (USA)
H101 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5930-00-054-4425INTERCHANGEABLE
SWITCH,PUSH
H101
3120-00-662-8383INTERCHANGEABLE
BEARING,SLEEVE
5950-00-835-3732INTERCHANGEABLE
TRANSFORMER,POWER
H101
6625-01-033-0691INTERCHANGEABLE
HOLDER,PROBE
3460-01-139-4143INTERCHANGEABLE
HOLDER,COUNTERBORE
H-101
6515-01-505-8085INTERCHANGEABLE
ELECTRODE,CAUTERY
H101

Frequently Asked Questions

What is NSN 4320-00-959-3055?

NSN 4320-00-959-3055 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 4320-00-959-3055?

NSN 4320-00-959-3055 has 2 cross-referenced part numbers: R1143PC5 (Circor Naval Solutions Llc Dba Warren Pumps), H101 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-959-3055?

There are 6 known substitutes for 4320-00-959-3055: 5930-00-054-4425, 3120-00-662-8383, 5950-00-835-3732 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H101?

Key specifications for H101: Inside Diameter: 1.109 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Outside Diameter: 1.531 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN; Height: 0.438 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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