PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

810-0023Valve,safety Relief

Frymaster/dean Dba Varimixer · NSN 4820-01-290-9059 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-290-9059 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-290-9059. Primary manufacturer part number: 810-0023.
Features
  • Valve,safety Relief — FSC 4820
  • Disk Loading Method: SPRING
  • Bonnet Attachment Method: INTEGRAL
  • Opening Pressure Setting: 8.0 POUNDS PER SQUARE INCH LBS
  • Valve Operation Method: AUTOMATIC
  • Bonnet Type: INSIDE SPRING
  • Flow Control Device: DISK
  • 1 verified cross-reference
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-290-9059, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Frymaster/dean Dba Varimixer. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-290-9059
Primary Part Number810-0023
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFrymaster/dean Dba Varimixer
StatusACTIVE
Disk Loading MethodSPRING
Bonnet Attachment MethodINTEGRAL
Opening Pressure Setting8.0 POUNDS PER SQUARE INCH LBS
Valve Operation MethodAUTOMATIC
Bonnet TypeINSIDE SPRING
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-630-1933 INTERCHANGEABLE
Washer,shouldered and Recessed
5306-01-547-294115635 INTERCHANGEABLE
Bolt,machine
Imperial Supplies Llc
5310-01-612-8870810-0023 INTERCHANGEABLE
Washer,flat
Kongsberg Maritime Inc Dba Kongsberg Maritime Inc
Cross-Reference Index
Part NumberManufacturer
810-0023 PRIMARY Frymaster/dean Dba Varimixer (USA)
Related Parts
5310-00-630-1933INTERCHANGEABLE
WASHER,SHOULDERED AND RECESSED
5306-01-547-2941INTERCHANGEABLE
BOLT,MACHINE
15635
5310-01-612-8870INTERCHANGEABLE
WASHER,FLAT
810-0023

Frequently Asked Questions

What is NSN 4820-01-290-9059?

NSN 4820-01-290-9059 is a Valve,safety Relief, manufactured by Frymaster/dean Dba Varimixer, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-290-9059?

NSN 4820-01-290-9059 has 1 cross-referenced part number: 810-0023 (Frymaster/dean Dba Varimixer).

What NSN replaces 4820-01-290-9059?

There are 3 known substitutes for 4820-01-290-9059: 5310-00-630-1933, 5306-01-547-2941, 5310-01-612-8870. Verify interchangeability with system specifications before substitution.

What are the specifications of 810-0023?

Key specifications for 810-0023: Disk Loading Method: SPRING; Bonnet Attachment Method: INTEGRAL; Opening Pressure Setting: 8.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 7 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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