PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20528Ring,wearing

Stanadyne Corporation Dba Stanadyne Diesel Systems · NSN 4320-01-333-8217 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-333-8217 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-333-8217. Primary manufacturer part number: 20528.
Features
  • Ring,wearing — FSC 4320
  • Material: STEEL
  • Body Style: PLAIN
  • 2 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems
Applications
  • Applications requiring Steel construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-333-8217, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-333-8217
Primary Part Number20528
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems
StatusACTIVE
MaterialSTEEL
Body StylePLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-529-9424 INTERCHANGEABLE
Bearing,ball,annular
5330-01-150-1495 INTERCHANGEABLE
Seal
5325-01-188-096020528 INTERCHANGEABLE
Ring,retaining
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6545-01-592-326120-0032 INTERCHANGEABLE
Resupply Pack,triage Management
North American Rescue, Llc
Cross-Reference Index
Part NumberManufacturer
P92301 Lull Lift Corp Dba Omniquip Parts Worldwide (USA)
20528 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems (USA)
Related Parts
3110-00-529-9424INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-01-150-1495INTERCHANGEABLE
SEAL
5325-01-188-0960INTERCHANGEABLE
RING,RETAINING
20528
6545-01-592-3261INTERCHANGEABLE
RESUPPLY PACK,TRIAGE MANAGEMENT
20-0032

Frequently Asked Questions

What is NSN 4320-01-333-8217?

NSN 4320-01-333-8217 is a Ring,wearing, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-333-8217?

NSN 4320-01-333-8217 has 2 cross-referenced part numbers: P92301 (Lull Lift Corp Dba Omniquip Parts Worldwide), 20528 (Stanadyne Corporation Dba Stanadyne Diesel Systems).

What NSN replaces 4320-01-333-8217?

There are 4 known substitutes for 4320-01-333-8217: 3110-00-529-9424, 5330-01-150-1495, 5325-01-188-0960 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20528?

Key specifications for 20528: Material: STEEL; End Item Identification: 3930-01-305-2111; Special Features: USED AS A LOCATING RING TO ALIGN VANES AND REGULATOR ASSEMBLY IN THE PUMP LINER; Body Style: PLAIN. 4 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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