PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2051Valve,globe

Dover Corp Groen Div · NSN 4820-00-171-0575 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-171-0575 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-171-0575. Primary manufacturer part number: 2051.
Features
  • Valve,globe — FSC 4820
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Valve Operation Method: MANUAL
  • Style Designator: STRAIGHT THRU
  • Flow Control Device: DISK
  • Bonnet Type: INSIDE SCREW
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Flow Control Device construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-171-0575, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dover Corp Groen Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-171-0575
Primary Part Number2051
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDover Corp Groen Div
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Valve Operation MethodMANUAL
Style DesignatorSTRAIGHT THRU
Flow Control DeviceDISK
Bonnet TypeINSIDE SCREW
MaterialPLASTIC FLOW CONTROL DEVICE
MaterialSTEEL CORROSION RESISTING STEM
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Features ProvidedBONNET PACKING
Features ProvidedBONNET PACKING
Bonnet Attachment MethodTHREADED
MaterialCOPPER ALLOY BODY
Nominal Thread Size0.375 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING STEM
Nominal Thread Size0.375 INCHES ALL ENDS IN
Style DesignatorSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2540-00-047-4253205-0326 INTERCHANGEABLE
Handle,window Regulator,vehicula
Cmc of Georgia, Inc.
5360-00-168-667820510 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc
5930-00-228-4082 INTERCHANGEABLE
Switch,toggle
4730-00-678-9722205-10 INTERCHANGEABLE
Nut,tube Coupling
Lenz Inc Dba the Lenz Company
5130-00-695-4304 INTERCHANGEABLE
Adapter,socket Wrench
5985-01-094-2993055731-1 INTERCHANGEABLE
Attenuator,fixed
L3 Technologies, Inc. Div L3 Keo
6240-01-411-442120510 INTERCHANGEABLE
Lamp,fluorescent
Lumatech Llc
6515-01-600-497120-510 INTERCHANGEABLE
Chest Trauma Kit
Combat Medical Systems Llc
Cross-Reference Index
Part NumberManufacturer
2051 PRIMARY Dover Corp Groen Div (USA)
2038 Dover Corp Groen Div (USA)
2051-0 Dover Corp Groen Div (USA)
Related Parts
2540-00-047-4253INTERCHANGEABLE
HANDLE,WINDOW REGULATOR,VEHICULA
205-0326
5360-00-168-6678INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20510
5930-00-228-4082INTERCHANGEABLE
SWITCH,TOGGLE
4730-00-678-9722INTERCHANGEABLE
NUT,TUBE COUPLING
205-10
5130-00-695-4304INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5985-01-094-2993INTERCHANGEABLE
ATTENUATOR,FIXED
055731-1
6240-01-411-4421INTERCHANGEABLE
LAMP,FLUORESCENT
20510
6515-01-600-4971INTERCHANGEABLE
CHEST TRAUMA KIT
20-510

Frequently Asked Questions

What is NSN 4820-00-171-0575?

NSN 4820-00-171-0575 is a Valve,globe, manufactured by Dover Corp Groen Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-171-0575?

NSN 4820-00-171-0575 has 3 cross-referenced part numbers: 2051 (Dover Corp Groen Div), 2038 (Dover Corp Groen Div), 2051-0 (Dover Corp Groen Div).

What NSN replaces 4820-00-171-0575?

There are 8 known substitutes for 4820-00-171-0575: 2540-00-047-4253, 5360-00-168-6678, 5930-00-228-4082 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2051?

Key specifications for 2051: Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Valve Operation Method: MANUAL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-171-0575 still in active supply?

NSN 4820-00-171-0575 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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