PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CA11207-9Ring,wearing

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-00-835-3860 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-835-3860 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-835-3860. Primary manufacturer part number: CA11207-9.
Features
  • Ring,wearing — FSC 4320
  • Right Side Flange Thickness: 0.131 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
  • Distance From End: 0.219 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 4.012 INCHES MINIMUM AND 4.014 INCHES MAXIMUM IN
  • Material: COPPER ALLOY
  • Left Side Flange Thickness: 0.131 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
  • Largest External Anchor Flange Radius: 2.813 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-835-3860, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 13 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-835-3860
Primary Part NumberCA11207-9
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Right Side Flange Thickness0.131 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
Distance From End0.219 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter4.012 INCHES MINIMUM AND 4.014 INCHES MAXIMUM IN
MaterialCOPPER ALLOY
Left Side Flange Thickness0.131 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
Largest External Anchor Flange Radius2.813 INCHES NOMINAL IN
Body Outside Diameter5.249 INCHES MINIMUM AND 5.250 INCHES MAXIMUM IN
Distance Below Centerline0.063 INCHES NOMINAL IN
End to Flange Distance0.456 INCHES NOMINAL IN
Smallest External Anchor Flange Radius2.625 INCHES NOMINAL IN
Body StyleEXTERNAL LOCKING FLANGE
Distance Between Flanges0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-00-835-3863CA11207-11 INTERCHANGEABLE
Sleeve,shaft,pump
Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-202-5638CA1093-18B INTERCHANGEABLE
Deflector,dirt and Liquid
Air & Liquid Systems Corporation Dba Buffalo Pumps
3040-01-203-546111278 INTERCHANGEABLE
Shaft,shouldered
Rps-Fl, Inc. Dba Rps Inc
Cross-Reference Index
Part NumberManufacturer
CA11207 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA11207-9-1 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA11207-9 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
4320-00-835-3863INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
CA11207-11
4320-01-202-5638INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
CA1093-18B
3040-01-203-5461INTERCHANGEABLE
SHAFT,SHOULDERED
11278

Frequently Asked Questions

What is NSN 4320-00-835-3860?

NSN 4320-00-835-3860 is a Ring,wearing, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-835-3860?

NSN 4320-00-835-3860 has 3 cross-referenced part numbers: CA11207 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA11207-9-1 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA11207-9 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-00-835-3860?

There are 3 known substitutes for 4320-00-835-3860: 4320-00-835-3863, 4320-01-202-5638, 3040-01-203-5461. Verify interchangeability with system specifications before substitution.

What are the specifications of CA11207-9?

Key specifications for CA11207-9: Right Side Flange Thickness: 0.131 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN; Distance From End: 0.219 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Body Inside Diameter: 4.012 INCHES MINIMUM AND 4.014 INCHES MAXIMUM IN. 14 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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