PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D50462Valve,regulating,fluid Pressure

Hunt Valve Company Inc Dba Union Flonetics · NSN 4820-01-273-0537 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-273-0537 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-273-0537. Primary manufacturer part number: D50462.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: COPPER ALLOY BODY
  • Filter: INCLUDED
  • First End Thread Direction: RIGHT-HAND
  • Regulation Type: AUTOMATIC SINGLE STAGE
  • First End Connection Type: THREADED INTERNAL PIPE
  • 4 verified cross-references
  • Primary manufacturer: Hunt Valve Company Inc Dba Union Flonetics
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-273-0537, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company Inc Dba Union Flonetics. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-273-0537
Primary Part NumberD50462
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company Inc Dba Union Flonetics
StatusACTIVE
MaterialCOPPER ALLOY BODY
FilterINCLUDED
First End Thread DirectionRIGHT-HAND
Regulation TypeAUTOMATIC SINGLE STAGE
First End Connection TypeTHREADED INTERNAL PIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-166-84062-219V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
D50462 Hunt Valve Company Inc Dba Union Flonetics (USA)
D50462/84Y Hunt Valve Company Inc Dba Union Flonetics (USA)
D50462/84Y Hunt Valve Company, Inc. (USA)
M83248-1-219 Hunt Valve Company Inc Dba Union Flonetics (USA)
Related Parts
5331-00-166-8406INTERCHANGEABLE
O-RING
2-219V0747-75

Frequently Asked Questions

What is NSN 4820-01-273-0537?

NSN 4820-01-273-0537 is a Valve,regulating,fluid Pressure, manufactured by Hunt Valve Company Inc Dba Union Flonetics, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-273-0537?

NSN 4820-01-273-0537 has 4 cross-referenced part numbers: D50462 (Hunt Valve Company Inc Dba Union Flonetics), D50462/84Y (Hunt Valve Company Inc Dba Union Flonetics), D50462/84Y (Hunt Valve Company, Inc.), M83248-1-219 (Hunt Valve Company Inc Dba Union Flonetics).

What NSN replaces 4820-01-273-0537?

There is 1 known substitute for 4820-01-273-0537: 5331-00-166-8406. Verify interchangeability with system specifications before substitution.

What are the specifications of D50462?

Key specifications for D50462: Material: COPPER ALLOY BODY; Filter: INCLUDED; Special Features: VALVE SIZE 0.250 IN. IN; First End Thread Direction: RIGHT-HAND. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com