PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RK11-2016Disk,valve

Parker-Hannifin Corporation Dba Racor Division Div Racor Division · NSN 4820-01-503-1673 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-503-1673 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-503-1673. Primary manufacturer part number: RK11-2016.
Features
  • Disk,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Racor Division Div Racor Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-503-1673, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Racor Division Div Racor Division. This item has 4 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.

Catalog Facts
Item NameDisk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Dba Racor Division Div Racor Division (CAGE 55752); Oshkosh Defense Llc (CAGE 75Q65)
Technical Specifications
ParameterValue
NSN4820-01-503-1673
Primary Part NumberRK11-2016
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Racor Division Div Racor Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-01-273-220730488 INTERCHANGEABLE
Kit,seal
Bourns Inc
2520-01-503-4037RK11-1998 INTERCHANGEABLE
Parts Kit,separator
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
5998-01-612-032530488 INTERCHANGEABLE
Circuit Card Assembly
Ribbon Communications Federal Inc.
5360-01-669-366730488 INTERCHANGEABLE
Spring,helical,compression
Sea-Bird Electronics, Inc Dba Sea-Bird Scientific
Cross-Reference Index
Part NumberManufacturer
RK11-2016 PRIMARY Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
30488 Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
3254577 Oshkosh Defense Llc (USA)
RK 11-1721-01 Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
Related Parts
5330-01-273-2207INTERCHANGEABLE
KIT,SEAL
30488
2520-01-503-4037INTERCHANGEABLE
PARTS KIT,SEPARATOR
RK11-1998
5998-01-612-0325INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
30488
5360-01-669-3667INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
30488

Frequently Asked Questions

What is NSN 4820-01-503-1673?

NSN 4820-01-503-1673 is a Disk,valve, manufactured by Parker-Hannifin Corporation Dba Racor Division Div Racor Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-503-1673?

NSN 4820-01-503-1673 has 4 cross-referenced part numbers: RK11-2016 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 30488 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 3254577 (Oshkosh Defense Llc), RK 11-1721-01 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division).

What NSN replaces 4820-01-503-1673?

There are 4 known substitutes for 4820-01-503-1673: 5330-01-273-2207, 2520-01-503-4037, 5998-01-612-0325 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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