PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8535 PC 3Retainer,disk,valve

William E Williams Valve Corp · NSN 4820-01-243-0964 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-243-0964 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-243-0964. Primary manufacturer part number: 8535 PC 3.
Features
  • Retainer,disk,valve — FSC 4820
  • Material Document and Classification: ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL
  • 2 verified cross-references
  • Primary manufacturer: William E Williams Valve Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-243-0964, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-243-0964
Primary Part Number8535 PC 3
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Material Document and ClassificationASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-001-4709853-5 INTERCHANGEABLE
Washer,lock
Cummins Power Generation Inc.
3030-00-777-954715530 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5935-00-908-1515151876-0001 INTERCHANGEABLE
Cover,electrical Connector
Itt Cannon Llc
5999-01-148-44188535 INTERCHANGEABLE
Cd Holder
Electro Scientific Industries Inc
4820-01-243-10468535 PC 2 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-243-98028535 PC 8 INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
6515-01-519-66688535 INTERCHANGEABLE
Stapler,skin,surgical
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
1005-01-525-1422853-5 INTERCHANGEABLE
Sling,small Arms
Daisy Manufacturing Company Dba Daisy Manufacturing Co
6515-01-578-89348535 INTERCHANGEABLE
Needle,meniscal Repair,arthrosco
Linvatec Corporation Div Linvatec
5985-01-677-26838535 INTERCHANGEABLE
Coupler,direct Current Blocking
Spectrum Control, Inc.
Cross-Reference Index
Part NumberManufacturer
8535 PC 3 PRIMARY William E Williams Valve Corp (USA)
8535 William E Williams Valve Corp (USA)
Related Parts
5310-00-001-4709INTERCHANGEABLE
WASHER,LOCK
853-5
3030-00-777-9547INTERCHANGEABLE
BELT,V
15530
5935-00-908-1515INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
151876-0001
5999-01-148-4418INTERCHANGEABLE
CD HOLDER
8535
4820-01-243-1046INTERCHANGEABLE
DISK,VALVE
8535 PC 2
4820-01-243-9802INTERCHANGEABLE
SEAT,VALVE
8535 PC 8
6515-01-519-6668INTERCHANGEABLE
STAPLER,SKIN,SURGICAL
8535
1005-01-525-1422INTERCHANGEABLE
SLING,SMALL ARMS
853-5
6515-01-578-8934INTERCHANGEABLE
NEEDLE,MENISCAL REPAIR,ARTHROSCO
8535
5985-01-677-2683INTERCHANGEABLE
COUPLER,DIRECT CURRENT BLOCKING
8535
6635-01-694-3357INTERCHANGEABLE
COUNTER,PARTICLE
8535

Frequently Asked Questions

What is NSN 4820-01-243-0964?

NSN 4820-01-243-0964 is a Retainer,disk,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-243-0964?

NSN 4820-01-243-0964 has 2 cross-referenced part numbers: 8535 PC 3 (William E Williams Valve Corp), 8535 (William E Williams Valve Corp).

What NSN replaces 4820-01-243-0964?

There are 11 known substitutes for 4820-01-243-0964: 5310-00-001-4709, 3030-00-777-9547, 5935-00-908-1515 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8535 PC 3?

Key specifications for 8535 PC 3: Material Document and Classification: ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL. 2 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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