PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52556Disk,valve

Laundry and Dry Cleaning Equipment Co · NSN 4820-00-203-9175 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-203-9175 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-203-9175. Primary manufacturer part number: 52556.
Features
  • Disk,valve — FSC 4820
  • Style Designator: PLAIN
  • Inside Diameter: 0.3487 INCHES NOMINAL IN
  • Media for Which Designed: OIL
  • Outside Diameter: 2.997 INCHES MINIMUM AND 3.003 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 6 verified cross-references
  • Primary manufacturer: Laundry and Dry Cleaning Equipment Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-203-9175, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Laundry and Dry Cleaning Equipment Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-203-9175
Primary Part Number52556
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLaundry and Dry Cleaning Equipment Co
StatusACTIVE
Style DesignatorPLAIN
Inside Diameter0.3487 INCHES NOMINAL IN
Media for Which DesignedOIL
Outside Diameter2.997 INCHES MINIMUM AND 3.003 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3120-00-089-9669215-32361-1 INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
3030-00-297-2259 INTERCHANGEABLE
Belt,v
5950-00-591-774752556 INTERCHANGEABLE
Transformer,current
Stewart & Stevenson Power Products Llc
2815-01-010-7987C52-264 INTERCHANGEABLE
Nozzle Holder Body
Man Diesel & Turbo Ltd
6150-01-095-549752264 INTERCHANGEABLE
Wiring Harness,branched
Tld Ace Corp Div Tld Ace
5940-01-172-313852264 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
4820-01-464-133952264 INTERCHANGEABLE
Valve,regulating,temperature
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5340-01-566-150852556 INTERCHANGEABLE
Bracket,mounting
DP Manufacturing Inc.
4330-01-570-2978 INTERCHANGEABLE
Magnet Assembly,filter
4320-01-630-082952264 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Flatwater Fleet Inc Dba Flatwater Fleet Inc
Cross-Reference Index
Part NumberManufacturer
P03218 Prosperity a Div of Ametek Inc (USA)
52264 Prosperity a Div of Ametek Inc (USA)
P02513 Prosperity a Div of Ametek Inc (USA)
52556 PRIMARY Laundry and Dry Cleaning Equipment Co (USA)
PC3116 Prosperity a Div of Ametek Inc (USA)
PC2813 Prosperity a Div of Ametek Inc (USA)
Related Parts
3120-00-089-9669INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
215-32361-1
3030-00-297-2259INTERCHANGEABLE
BELT,V
5950-00-591-7747INTERCHANGEABLE
TRANSFORMER,CURRENT
52556
2815-01-010-7987INTERCHANGEABLE
NOZZLE HOLDER BODY
C52-264
6150-01-095-5497INTERCHANGEABLE
WIRING HARNESS,BRANCHED
52264
5940-01-172-3138INTERCHANGEABLE
TERMINAL,LUG
52264
4820-01-464-1339INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
52264
5340-01-566-1508INTERCHANGEABLE
BRACKET,MOUNTING
52556
4330-01-570-2978INTERCHANGEABLE
MAGNET ASSEMBLY,FILTER
4320-01-630-0829INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
52264

Frequently Asked Questions

What is NSN 4820-00-203-9175?

NSN 4820-00-203-9175 is a Disk,valve, manufactured by Laundry and Dry Cleaning Equipment Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-203-9175?

NSN 4820-00-203-9175 has 6 cross-referenced part numbers: P03218 (Prosperity a Div of Ametek Inc), 52264 (Prosperity a Div of Ametek Inc), P02513 (Prosperity a Div of Ametek Inc), 52556 (Laundry and Dry Cleaning Equipment Co), PC3116 (Prosperity a Div of Ametek Inc) and 1 more.

What NSN replaces 4820-00-203-9175?

There are 10 known substitutes for 4820-00-203-9175: 3120-00-089-9669, 3030-00-297-2259, 5950-00-591-7747 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52556?

Key specifications for 52556: Style Designator: PLAIN; Overall Height: 0.1875 INCHES NOMINAL IN; Inside Diameter: 0.3487 INCHES NOMINAL IN; Media for Which Designed: OIL. 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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