PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BASHH09EKKValve,safety Relief

Dante Valve Company · NSN 4820-01-423-3596 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-423-3596 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-3596. Primary manufacturer part number: BASHH09EKK.
Features
  • Valve,safety Relief — FSC 4820
  • Second Connection Face to Centerline Distance: 6.000 INCHES IN
  • First Connection Face to Centerline Distance: 5.500 INCHES IN
  • Nominal Outside Diameter: 6.625 INCHES ALL ENDS IN
  • Bolt Hole Nominal Diameter: 0.687 INCHES ALL ENDS IN
  • Flange Shape: ROUND WITH HOLES ALL ENDS
  • Material: NICKEL ALLOY FLOW CONTROL DEVICE
  • Flange Face Design: PLAIN ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-423-3596, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dante Valve Company. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN4820-01-423-3596
Primary Part NumberBASHH09EKK
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDante Valve Company
StatusACTIVE
Second Connection Face to Centerline Distance6.000 INCHES IN
First Connection Face to Centerline Distance5.500 INCHES IN
Nominal Outside Diameter6.625 INCHES ALL ENDS IN
Bolt Hole Nominal Diameter0.687 INCHES ALL ENDS IN
Flange ShapeROUND WITH HOLES ALL ENDS
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Flange Face DesignPLAIN ALL ENDS
MaterialCOPPER ALLOY 922 BODY
Valve Operation MethodAUTOMATIC OR MANUAL
Valve Size3.000 INCHES IN
Adjustable Pressure Range+225.0 TO 305.0 POUNDS PER SQUARE INCH LBS
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeFLANGE ALL ENDS
Bolt Hole Quantity8 ALL ENDS
MaterialSTEEL COMP 316 STEM
MaterialNICKEL ALLOY SEAT
Disk Loading MethodSPRING
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorANGLE FLANGED ENDS
Nominal Thickness0.938 INCHES ALL ENDS IN
Bolt Circle Nominal Diameter5.500 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-01-180-0849D50FF-04-3X3 INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-331-3609 INTERCHANGEABLE
Stem,fluid Valve
4820-01-344-5607D50FF-04-2 1/2IN INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-345-4051D50-2 1/2-005 INTERCHANGEABLE
Disk,valve
Dante Valve Company
4820-01-406-6710B2024 INTERCHANGEABLE
Adjusting Screw,valve
Dante Valve Company
4820-01-476-4214BASGG03SKK INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-506-2499BASHH05SKK INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-674-2589BAMHH04MKK INTERCHANGEABLE
Valve,angle
Dante Valve Company
4820-01-696-2310BAMHH02MKK INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-703-2100 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
BASHH09EKK PRIMARY Dante Valve Company (USA)
D50FF-3-000 Danco Valve Company (USA)
BASHH09SKK Dante Valve Company (USA)
D50FF-09-3IN Danco Valve Company (USA)
D50FF-3-000 3IN 225T305PSI Danco Valve Company (USA)
D3000FF Danco Valve Company (USA)
BASHH09SKK Danco Valve Company (USA)
Related Parts
4820-01-180-0849INTERCHANGEABLE
VALVE,SAFETY RELIEF
D50FF-04-3X3
4820-01-331-3609INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-344-5607INTERCHANGEABLE
VALVE,SAFETY RELIEF
D50FF-04-2 1/2IN
4820-01-345-4051INTERCHANGEABLE
DISK,VALVE
D50-2 1/2-005
4820-01-406-6710INTERCHANGEABLE
ADJUSTING SCREW,VALVE
B2024
4820-01-476-4214INTERCHANGEABLE
VALVE,SAFETY RELIEF
BASGG03SKK
4820-01-506-2499INTERCHANGEABLE
VALVE,SAFETY RELIEF
BASHH05SKK
4820-01-674-2589INTERCHANGEABLE
VALVE,ANGLE
BAMHH04MKK
4820-01-696-2310INTERCHANGEABLE
VALVE,SAFETY RELIEF
BAMHH02MKK
4820-01-703-2100INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 4820-01-423-3596?

NSN 4820-01-423-3596 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-423-3596?

NSN 4820-01-423-3596 has 7 cross-referenced part numbers: BASHH09EKK (Dante Valve Company), D50FF-3-000 (Danco Valve Company), BASHH09SKK (Dante Valve Company), D50FF-09-3IN (Danco Valve Company), D50FF-3-000 3IN 225T305PSI (Danco Valve Company) and 2 more.

What NSN replaces 4820-01-423-3596?

There are 10 known substitutes for 4820-01-423-3596: 4820-01-180-0849, 4820-01-331-3609, 4820-01-344-5607 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BASHH09EKK?

Key specifications for BASHH09EKK: Second Connection Face to Centerline Distance: 6.000 INCHES IN; First Connection Face to Centerline Distance: 5.500 INCHES IN; Nominal Outside Diameter: 6.625 INCHES ALL ENDS IN; Bolt Hole Nominal Diameter: 0.687 INCHES ALL ENDS IN. 22 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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