PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5420-4Plate,adjustment,valve

Rosemount Analytical, Inc. Div Process Analytical Division · NSN 4820-01-183-6000 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-183-6000 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-183-6000. Primary manufacturer part number: 5420-4.
Features
  • Plate,adjustment,valve — FSC 4820
  • General Characteristics Item Description: STEE;1.585 IN. DIA;0.085 IN. THK IN
  • 3 verified cross-references
  • Primary manufacturer: Rosemount Analytical, Inc. Div Process Analytical Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plate,adjustment,valve, cataloged under National Stock Number 4820-01-183-6000, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rosemount Analytical, Inc. Div Process Analytical Division. Government technical data includes 1 verified specification, 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
NSN4820-01-183-6000
Primary Part Number5420-4
Item NamePlate,adjustment,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRosemount Analytical, Inc. Div Process Analytical Division
StatusACTIVE
General Characteristics Item DescriptionSTEE;1.585 IN. DIA;0.085 IN. THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5365-00-037-696954204 INTERCHANGEABLE
Spacer,ring
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5961-00-763-7891 INTERCHANGEABLE
Transistor
5950-01-095-6275 INTERCHANGEABLE
Transformer,power
5330-01-119-640654204 INTERCHANGEABLE
Seal,plain
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6220-01-146-68895420-4 INTERCHANGEABLE
Light,navigational,aircraft
Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh
5940-01-389-389054204 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
5136-01-727-447654204 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
Cross-Reference Index
Part NumberManufacturer
5420-4 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
539561 PIECE 4 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
5420-004 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
Related Parts
5365-00-037-6969INTERCHANGEABLE
SPACER,RING
54204
5961-00-763-7891INTERCHANGEABLE
TRANSISTOR
5950-01-095-6275INTERCHANGEABLE
TRANSFORMER,POWER
5330-01-119-6406INTERCHANGEABLE
SEAL,PLAIN
54204
6220-01-146-6889INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
5420-4
5940-01-389-3890INTERCHANGEABLE
TERMINAL,LUG
54204
5136-01-727-4476INTERCHANGEABLE
TAP,THREAD CUTTING
54204

Frequently Asked Questions

What is NSN 4820-01-183-6000?

NSN 4820-01-183-6000 is a Plate,adjustment,valve, manufactured by Rosemount Analytical, Inc. Div Process Analytical Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-183-6000?

NSN 4820-01-183-6000 has 3 cross-referenced part numbers: 5420-4 (Rosemount Analytical, Inc. Div Process Analytical Division), 539561 PIECE 4 (Rosemount Analytical, Inc. Div Process Analytical Division), 5420-004 (Rosemount Analytical, Inc. Div Process Analytical Division).

What NSN replaces 4820-01-183-6000?

There are 7 known substitutes for 4820-01-183-6000: 5365-00-037-6969, 5961-00-763-7891, 5950-01-095-6275 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5420-4?

Key specifications for 5420-4: General Characteristics Item Description: STEE;1.585 IN. DIA;0.085 IN. THK IN; End Item Identification: WESTINGHOUSE 1/4 IN. REDUCING VALVE MODEL 539561 IN. 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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