PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202020Valve,safety Relief

Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co · NSN 4820-01-306-0210 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-306-0210 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-306-0210. Primary manufacturer part number: 202020.
Features
  • Valve,safety Relief — FSC 4820
  • Opening Pressure Setting: 2000.0 POUNDS PER SQUARE INCH LBS
  • Style Designator: SCREW-IN CARTRIDGE
  • Flow Control Device: DISK
  • Valve Operation Method: AUTOMATIC
  • Disk Loading Method: SPRING
  • 3 verified cross-references
  • Primary manufacturer: Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-306-0210, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-306-0210
Primary Part Number202020
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKoehring Cranes and Excavators Inc Sub of Northwest Engineering Co
StatusACTIVE
Opening Pressure Setting2000.0 POUNDS PER SQUARE INCH LBS
Style DesignatorSCREW-IN CARTRIDGE
Flow Control DeviceDISK
Valve Operation MethodAUTOMATIC
Disk Loading MethodSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-105-5735 INTERCHANGEABLE
Semiconductor Device,diode
5950-01-109-4151 INTERCHANGEABLE
Coil,radio Frequency
5355-01-128-0814 INTERCHANGEABLE
Button Indicator
6515-01-159-9265202.020 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
4810-01-468-6142 INTERCHANGEABLE
Parts Kit,valve
Cross-Reference Index
Part NumberManufacturer
202020 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
GC-6625K-1 Parker Hannifin Corporation Div Cylinder Division (USA)
202020 Dicks J B and Associates Inc (USA)
Related Parts
5961-00-105-5735INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5950-01-109-4151INTERCHANGEABLE
COIL,RADIO FREQUENCY
5355-01-128-0814INTERCHANGEABLE
BUTTON INDICATOR
6515-01-159-9265INTERCHANGEABLE
SCREW,BONE
202.020
4810-01-468-6142INTERCHANGEABLE
PARTS KIT,VALVE

Frequently Asked Questions

What is NSN 4820-01-306-0210?

NSN 4820-01-306-0210 is a Valve,safety Relief, manufactured by Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-306-0210?

NSN 4820-01-306-0210 has 3 cross-referenced part numbers: 202020 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), GC-6625K-1 (Parker Hannifin Corporation Div Cylinder Division), 202020 (Dicks J B and Associates Inc).

What NSN replaces 4820-01-306-0210?

There are 5 known substitutes for 4820-01-306-0210: 5961-00-105-5735, 5950-01-109-4151, 5355-01-128-0814 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202020?

Key specifications for 202020: Opening Pressure Setting: 2000.0 POUNDS PER SQUARE INCH LBS; Style Designator: SCREW-IN CARTRIDGE; Flow Control Device: DISK; Valve Operation Method: AUTOMATIC. 5 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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