PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2050-1Cartridge,relief Valve

Droitcour Co · NSN 4820-01-186-8723 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-186-8723 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-186-8723. Primary manufacturer part number: 2050-1.
Features
  • Cartridge,relief Valve — FSC 4820
  • General Characteristics Item Description: 2.587 IN. LONG;0.921 IN.DIA IN
  • 3 verified cross-references
  • Primary manufacturer: Droitcour Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cartridge,relief Valve, cataloged under National Stock Number 4820-01-186-8723, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Droitcour Co. Government technical data includes 1 verified specification, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-186-8723
Primary Part Number2050-1
Item NameCartridge,relief Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDroitcour Co
StatusACTIVE
General Characteristics Item Description2.587 IN. LONG;0.921 IN.DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3431-00-102-231545V42 INTERCHANGEABLE
Collet Body,welding Torch
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
1680-00-242-1129 INTERCHANGEABLE
Cap,coupling
4320-00-375-2878 INTERCHANGEABLE
Eccentric,shaft,pum
3455-00-395-000115154 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3120-00-737-1171637008 INTERCHANGEABLE
Bearing Half,sleeve
Am General Llc
5895-00-991-8998 INTERCHANGEABLE
Parts Kit,dispenser
5975-01-066-64912123 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
5306-01-109-13262050-1 INTERCHANGEABLE
Bolt,eye
Buckeye Forge Inc
5340-01-314-8107B205010 INTERCHANGEABLE
Boot,dust and Moisture Seal
Haldex Brake Products Corporation
6510-01-643-802520501 INTERCHANGEABLE
Dressing,barrier
Smith & Nephew, Inc. Div Advanced Wound Management
Cross-Reference Index
Part NumberManufacturer
8-52-253 Illinois Tool Wks Inc Linac Div (USA)
8-52-253 Itw Heartland Components Inc (USA)
2050-1 PRIMARY Droitcour Co (USA)
Related Parts
3431-00-102-2315INTERCHANGEABLE
COLLET BODY,WELDING TORCH
45V42
1680-00-242-1129INTERCHANGEABLE
CAP,COUPLING
4320-00-375-2878INTERCHANGEABLE
ECCENTRIC,SHAFT,PUM
3455-00-395-0001INTERCHANGEABLE
CUTTER,MILLING,END
15154
3120-00-737-1171INTERCHANGEABLE
BEARING HALF,SLEEVE
637008
5895-00-991-8998INTERCHANGEABLE
PARTS KIT,DISPENSER
5975-01-066-6491INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2123
5306-01-109-1326INTERCHANGEABLE
BOLT,EYE
2050-1
5340-01-314-8107INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
B205010
6510-01-643-8025INTERCHANGEABLE
DRESSING,BARRIER
20501
6515-01-649-9420INTERCHANGEABLE
MOUTHPIECE,SPIROMETER
2050-1

Frequently Asked Questions

What is NSN 4820-01-186-8723?

NSN 4820-01-186-8723 is a Cartridge,relief Valve, manufactured by Droitcour Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-186-8723?

NSN 4820-01-186-8723 has 3 cross-referenced part numbers: 8-52-253 (Illinois Tool Wks Inc Linac Div), 8-52-253 (Itw Heartland Components Inc), 2050-1 (Droitcour Co).

What NSN replaces 4820-01-186-8723?

There are 11 known substitutes for 4820-01-186-8723: 3431-00-102-2315, 1680-00-242-1129, 4320-00-375-2878 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2050-1?

Key specifications for 2050-1: General Characteristics Item Description: 2.587 IN. LONG;0.921 IN.DIA IN. 1 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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