PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10406Ring,wearing

Rps-Fl, Inc. Dba Rps Inc · NSN 4320-00-201-8540 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-201-8540 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-201-8540. Primary manufacturer part number: 10406.
Features
  • Ring,wearing — FSC 4320
  • Right Side Flange Thickness: 0.625 INCHES NOMINAL IN
  • Body Style: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
  • Distance Below Centerline: 0.105 INCHES NOMINAL IN
  • Distance From End: 0.764 INCHES NOMINAL IN
  • Corner Shape: ROUND INSIDE RIGHT CORNER
  • Distance Between Flanges: 0.375 INCHES NOMINAL IN
  • End to Flange Distance: 1.090 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-201-8540, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rps-Fl, Inc. Dba Rps Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-201-8540
Primary Part Number10406
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
Right Side Flange Thickness0.625 INCHES NOMINAL IN
Body StyleINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
Distance Below Centerline0.105 INCHES NOMINAL IN
Distance From End0.764 INCHES NOMINAL IN
Corner ShapeROUND INSIDE RIGHT CORNER
Distance Between Flanges0.375 INCHES NOMINAL IN
End to Flange Distance1.090 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Corner Radius1.125 INCHES NOMINAL OUTSIDE LEFT CORNER IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Left Side Flange Thickness0.532 INCHES NOMINAL IN
Internal Flange Width0.650 INCHES NOMINAL IN
Internal Flange Outside Diameter8.750 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Internal Flange Inside Diameter8.625 INCHES NOMINAL IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Largest External Anchor Flange Radius5.750 INCHES NOMINAL IN
Smallest External Anchor Flange Radius5.605 INCHES NOMINAL IN
Internal Flange Lip Width0.272 INCHES NOMINAL IN
Body Inside Diameter10.094 INCHES NOMINAL IN
Body Outside Diameter11.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-033-295410406 INTERCHANGEABLE
Screw,machine
Meggitt (new Hampshire), Inc
5905-00-051-0181575R675H06 INTERCHANGEABLE
Resistor,thermal
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5950-00-153-4794N2562-43839-1 INTERCHANGEABLE
Transformer,audio Frequency
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5310-00-261-6197 INTERCHANGEABLE
Washer,lock
5325-00-281-6623 INTERCHANGEABLE
Ring,retaining
3040-00-390-151610406 INTERCHANGEABLE
Gearshaft,multiple Gears
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5310-01-162-6010 INTERCHANGEABLE
Nut,plain,octagon
5130-01-183-3555 INTERCHANGEABLE
Socket,socket Wrench
5950-01-186-9672 INTERCHANGEABLE
Transformer,power
4820-01-355-285210406 INTERCHANGEABLE
Valve Assembly,manifold
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
10406 Rps-Fl, Inc. Dba Rps Inc (USA)
RY-155606 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
955606-01 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
955606-1PH Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
955606-01 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-155606 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5305-00-033-2954INTERCHANGEABLE
SCREW,MACHINE
10406
5905-00-051-0181INTERCHANGEABLE
RESISTOR,THERMAL
575R675H06
5950-00-153-4794INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
N2562-43839-1
5310-00-261-6197INTERCHANGEABLE
WASHER,LOCK
5325-00-281-6623INTERCHANGEABLE
RING,RETAINING
3040-00-390-1516INTERCHANGEABLE
GEARSHAFT,MULTIPLE GEARS
10406
5310-01-162-6010INTERCHANGEABLE
NUT,PLAIN,OCTAGON
5130-01-183-3555INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5950-01-186-9672INTERCHANGEABLE
TRANSFORMER,POWER
4820-01-355-2852INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
10406
1740-01-460-5106INTERCHANGEABLE
TRAILER,GROUND HANDLING
10-406
6545-01-572-1824INTERCHANGEABLE
MEDICAL EQUIPMENT SUPPLY,APS OP
UA 1386

Frequently Asked Questions

What is NSN 4320-00-201-8540?

NSN 4320-00-201-8540 is a Ring,wearing, manufactured by Rps-Fl, Inc. Dba Rps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-201-8540?

NSN 4320-00-201-8540 has 6 cross-referenced part numbers: 10406 (Rps-Fl, Inc. Dba Rps Inc), RY-155606 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 955606-01 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 955606-1PH (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 955606-01 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 1 more.

What NSN replaces 4320-00-201-8540?

There are 12 known substitutes for 4320-00-201-8540: 5305-00-033-2954, 5905-00-051-0181, 5950-00-153-4794 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10406?

Key specifications for 10406: Right Side Flange Thickness: 0.625 INCHES NOMINAL IN; Body Style: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE; Distance Below Centerline: 0.105 INCHES NOMINAL IN; Distance From End: 0.764 INCHES NOMINAL IN. 22 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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