PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10611Ring,wearing

Rps-Fl, Inc. Dba Rps Inc · NSN 4320-00-540-2538 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-540-2538 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-540-2538. Primary manufacturer part number: 10611.
Features
  • Ring,wearing — FSC 4320
  • Body Outside Diameter: 5.003 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Surface Finish: 125.0 MICROINCHES ALL SURFACES
  • Body Inside Diameter: 4.700 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Body Style: PLAIN
  • 5 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-540-2538, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4320-00-540-2538
Primary Part Number10611
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
Body Outside Diameter5.003 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Surface Finish125.0 MICROINCHES ALL SURFACES
Body Inside Diameter4.700 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Body StylePLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5965-00-078-7615452-020-001 INTERCHANGEABLE
Holder,handset
Roanwell, Llc
3110-00-100-074210611 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Black and Decker Us Inc
5950-00-126-473694230 INTERCHANGEABLE
Reactor
L3 Technologies, Inc. Div L3harris Edo Western Corporation
5133-00-266-9477 INTERCHANGEABLE
Drill,twist
5330-00-298-0775151911 INTERCHANGEABLE
Gasket
Honeywell International Inc Dba Honeywell Div Consumer Products Group
7510-00-409-86477510-00-409-8647 INTERCHANGEABLE
Binder,loose-Leaf
National Industries for the Blind
5340-00-660-11259100457 INTERCHANGEABLE
Keeper,belt-Strap
Us Army Aviation and Missile Command
1650-00-788-64971061-1 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
The Boeing Company Div Defense
2930-00-891-056010611 INTERCHANGEABLE
Cap,filler Opening
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5935-00-968-4881A01735-5 INTERCHANGEABLE
Connector,receptacle,electrical
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
10611 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
RY-110373 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
15918P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-110373 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
15918P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5965-00-078-7615INTERCHANGEABLE
HOLDER,HANDSET
452-020-001
3110-00-100-0742INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
10611
5950-00-126-4736INTERCHANGEABLE
REACTOR
94230
5133-00-266-9477INTERCHANGEABLE
DRILL,TWIST
5330-00-298-0775INTERCHANGEABLE
GASKET
151911
7510-00-409-8647INTERCHANGEABLE
BINDER,LOOSE-LEAF
7510-00-409-8647
5340-00-660-1125INTERCHANGEABLE
KEEPER,BELT-STRAP
9100457
1650-00-788-6497INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
1061-1
2930-00-891-0560INTERCHANGEABLE
CAP,FILLER OPENING
10611
5935-00-968-4881INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
A01735-5
5120-01-019-7865INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
10611
2920-01-048-6577INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
BRC3010

Frequently Asked Questions

What is NSN 4320-00-540-2538?

NSN 4320-00-540-2538 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 4320-00-540-2538?

NSN 4320-00-540-2538 has 5 cross-referenced part numbers: 10611 (Rps-Fl, Inc. Dba Rps Inc), RY-110373 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 15918P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RY-110373 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 15918P (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 4320-00-540-2538?

There are 12 known substitutes for 4320-00-540-2538: 5965-00-078-7615, 3110-00-100-0742, 5950-00-126-4736 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10611?

Key specifications for 10611: Body Outside Diameter: 5.003 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Surface Finish: 125.0 MICROINCHES ALL SURFACES; Overall Length: 0.750 INCHES NOMINAL IN. 7 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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