PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11095Ring,wearing

Rps-Fl, Inc. Dba Rps Inc · NSN 4320-01-195-3870 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-195-3870 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-195-3870. Primary manufacturer part number: 11095.
Features
  • Ring,wearing — FSC 4320
  • Material: COPPER ALLOY 903
  • Material Document and Classification: MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE
  • Center Flange Thickness: 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
  • Surface Finish: 125.0 MICROINCHES ALL SURFACES
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • End to Flange Distance: 0.281 INCHES NOMINAL IN
  • Positioning Hole Depth: 0.188 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy 903 construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-195-3870, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4320-01-195-3870
Primary Part Number11095
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
MaterialCOPPER ALLOY 903
Material Document and ClassificationMIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE
Center Flange Thickness0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
Surface Finish125.0 MICROINCHES ALL SURFACES
Corner ShapeSQUARE INSIDE LEFT CORNER
End to Flange Distance0.281 INCHES NOMINAL IN
Positioning Hole Depth0.188 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Outside Diameter3.998 INCHES MINIMUM AND 3.999 INCHES MAXIMUM IN
Corner ShapeROUND INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner Radius0.125 INCHES NOMINAL INSIDE RIGHT CORNER IN
Body StyleEXTERNAL FLANGE
Body Inside Diameter2.014 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN
Positioning Hole Width0.125 INCHES NOMINAL IN
Flange Diameter4.214 INCHES MINIMUM AND 4.219 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-018-2719CA10595-1000 INTERCHANGEABLE
Rotor,pump
Air & Liquid Systems Corporation Dba Buffalo Pumps
5307-00-466-713511095 INTERCHANGEABLE
Stud,plain
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5950-00-910-92756140026-9 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
2990-01-025-0287T-11095 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5360-01-037-937711095 INTERCHANGEABLE
Spring,helical,compression
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4730-01-095-20343750X8 INTERCHANGEABLE
Tee,pipe
Danfoss Power Solutions II, Llc
4320-01-189-0560L2316 INTERCHANGEABLE
Deflector,dirt and Liquid
Rps-Fl, Inc. Dba Rps Inc
4320-01-195-3869CA9043-9 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
1005-01-285-062413049P INTERCHANGEABLE
Safety,small Arms
O F Mossberg & Sons Inc
5950-01-370-783711095 INTERCHANGEABLE
Transformer,audio Frequency
Pico Electronics Inc
Cross-Reference Index
Part NumberManufacturer
11095 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
CA9043 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
PL1.5VCM-1 ITEM 9X Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA9043-9X PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
4320-00-018-2719INTERCHANGEABLE
ROTOR,PUMP
CA10595-1000
5307-00-466-7135INTERCHANGEABLE
STUD,PLAIN
11095
5950-00-910-9275INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140026-9
2990-01-025-0287INTERCHANGEABLE
MUFFLER,EXHAUST
T-11095
5360-01-037-9377INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11095
4730-01-095-2034INTERCHANGEABLE
TEE,PIPE
3750X8
4320-01-189-0560INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
L2316
4320-01-195-3869INTERCHANGEABLE
RING,WEARING
CA9043-9
1005-01-285-0624INTERCHANGEABLE
SAFETY,SMALL ARMS
13049P
5950-01-370-7837INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
11095
5310-01-415-5352INTERCHANGEABLE
WASHER,LOCK
11095
6525-01-572-6001INTERCHANGEABLE
PROBE,ULTRASONIC UNIT,DIAGNOSTIC
P07698

Frequently Asked Questions

What is NSN 4320-01-195-3870?

NSN 4320-01-195-3870 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 4320-01-195-3870?

NSN 4320-01-195-3870 has 4 cross-referenced part numbers: 11095 (Rps-Fl, Inc. Dba Rps Inc), CA9043 (Air & Liquid Systems Corporation Dba Buffalo Pumps), PL1.5VCM-1 ITEM 9X (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA9043-9X (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-195-3870?

There are 12 known substitutes for 4320-01-195-3870: 4320-00-018-2719, 5307-00-466-7135, 5950-00-910-9275 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11095?

Key specifications for 11095: Material: COPPER ALLOY 903; Special Features: TAPERED FROM RIGHT OUTSIDE CORNER TO RIGHT INSIDE CORNER 0.188 IN. IN; Material Document and Classification: MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE; Center Flange Thickness: 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN. 18 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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