PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B545Ring,lantern

Clyde Pumps Ltd · NSN 4320-00-369-9904 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-369-9904 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-369-9904. Primary manufacturer part number: B545.
Features
  • Ring,lantern — FSC 4320
  • Material: COPPER ALLOY OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Clyde Pumps Ltd
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Ring,lantern, cataloged under National Stock Number 4320-00-369-9904, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Clyde Pumps Ltd. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4320-00-369-9904
Primary Part NumberB545
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerClyde Pumps Ltd
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-142-4339B545LY196 INTERCHANGEABLE
Bearing,ball,airframe
Mpb Corp Div Timken Super Precision
3110-00-924-4882B545 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5340-01-139-2895B-545 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
7025-01-473-0850B545 INTERCHANGEABLE
Trackball,data Entry
Lockheed Martin Corporation Div Rms - Manassas
Cross-Reference Index
Part NumberManufacturer
D78021 Clyde Pumps Ltd (GBR)
B545 PRIMARY Clyde Pumps Ltd (GBR)
A17505PC25 Clyde Pumps Ltd (GBR)
Related Parts
3110-00-142-4339INTERCHANGEABLE
BEARING,BALL,AIRFRAME
B545LY196
3110-00-924-4882INTERCHANGEABLE
BEARING,BALL,ANNULAR
B545
5340-01-139-2895INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
B-545
7025-01-473-0850INTERCHANGEABLE
TRACKBALL,DATA ENTRY
B545

Frequently Asked Questions

What is NSN 4320-00-369-9904?

NSN 4320-00-369-9904 is a Ring,lantern, manufactured by Clyde Pumps Ltd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-369-9904?

NSN 4320-00-369-9904 has 3 cross-referenced part numbers: D78021 (Clyde Pumps Ltd), B545 (Clyde Pumps Ltd), A17505PC25 (Clyde Pumps Ltd).

What NSN replaces 4320-00-369-9904?

There are 4 known substitutes for 4320-00-369-9904: 3110-00-142-4339, 3110-00-924-4882, 5340-01-139-2895 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B545?

Key specifications for B545: Material: COPPER ALLOY OVERALL. 1 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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