PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9-0325-01Ring,wearing

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-01-421-8085 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-421-8085 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-421-8085. Primary manufacturer part number: 9-0325-01.
Features
  • Ring,wearing — FSC 4320
  • Material: COPPER ALLOY 910
  • Body Outside Diameter: 4.000 INCHES NOMINAL IN
  • Body Inside Diameter: 3.514 INCHES NOMINAL IN
  • Material Document and Classification: ASTM B505,C91000 ASSN STD SINGLE MATERIAL RESPONSE
  • 3 verified cross-references
  • Primary manufacturer: Air & Liquid Systems Corporation Dba Buffalo Pumps
Applications
  • Applications requiring Copper Alloy 910 construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-421-8085, 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 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-421-8085
Primary Part Number9-0325-01
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
MaterialCOPPER ALLOY 910
Body Outside Diameter4.000 INCHES NOMINAL IN
Body Inside Diameter3.514 INCHES NOMINAL IN
Material Document and ClassificationASTM B505,C91000 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5306-00-061-010914-806 INTERCHANGEABLE
Bolt,ribbed Shoulder
Pdi Ground Support Systems, Inc.
3110-00-554-30905202-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
1660-00-633-262114806 INTERCHANGEABLE
Mounting Plate Assy
Mission Systems Orchard Park Inc
5120-00-909-569714806 INTERCHANGEABLE
Driver,mast Plug
Dayton-Granger, Inc.
3020-00-919-2318 INTERCHANGEABLE
Gear,spur
4920-00-997-657114806 INTERCHANGEABLE
Follower,level Wind
Acco-Babcock Inc Hoist and Crane Div
2910-01-316-057665317-03806-101 INTERCHANGEABLE
Valve,fuel System
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Cross-Reference Index
Part NumberManufacturer
9-0325-01 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
14806 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
PLAA6CCRE-16 ITEM 10 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
5306-00-061-0109INTERCHANGEABLE
BOLT,RIBBED SHOULDER
14-806
3110-00-554-3090INTERCHANGEABLE
BEARING,BALL,ANNULAR
5202-1B1
1660-00-633-2621INTERCHANGEABLE
MOUNTING PLATE ASSY
14806
5120-00-909-5697INTERCHANGEABLE
DRIVER,MAST PLUG
14806
3020-00-919-2318INTERCHANGEABLE
GEAR,SPUR
4920-00-997-6571INTERCHANGEABLE
FOLLOWER,LEVEL WIND
14806
2910-01-316-0576INTERCHANGEABLE
VALVE,FUEL SYSTEM
65317-03806-101

Frequently Asked Questions

What is NSN 4320-01-421-8085?

NSN 4320-01-421-8085 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 4320-01-421-8085?

NSN 4320-01-421-8085 has 3 cross-referenced part numbers: 9-0325-01 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 14806 (Air & Liquid Systems Corporation Dba Buffalo Pumps), PLAA6CCRE-16 ITEM 10 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-421-8085?

There are 7 known substitutes for 4320-01-421-8085: 5306-00-061-0109, 3110-00-554-3090, 1660-00-633-2621 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-0325-01?

Key specifications for 9-0325-01: Special Features: USED ON 4320-01-255-9590 CENTRIFUGAL PUMP; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: COPPER ALLOY 910; Body Outside Diameter: 4.000 INCHES NOMINAL IN. 6 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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