PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87121Ring,adjusting

Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse · NSN 4820-01-039-2814 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-039-2814 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-039-2814. Primary manufacturer part number: 87121.
Features
  • Ring,adjusting — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Ring,adjusting, cataloged under National Stock Number 4820-01-039-2814, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,adjusting
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (CAGE 16497)
Technical Specifications
ParameterValue
NSN4820-01-039-2814
Primary Part Number87121
Item NameRing,adjusting
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-661-8500 INTERCHANGEABLE
Bearing,sleeve
5998-00-831-7289 INTERCHANGEABLE
Circuit Card Assembly
1650-01-552-081587-121 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6515-01-605-9796989803149981 INTERCHANGEABLE
Pad,electrode,defibrillator
Philips North America Llc Dba Philips Healthcare
Cross-Reference Index
Part NumberManufacturer
87121 Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
5VNM72PC10 Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
5VKJ72PC10 Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
Related Parts
3120-00-661-8500INTERCHANGEABLE
BEARING,SLEEVE
5998-00-831-7289INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1650-01-552-0815INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
87-121
6515-01-605-9796INTERCHANGEABLE
PAD,ELECTRODE,DEFIBRILLATOR
989803149981

Frequently Asked Questions

What is NSN 4820-01-039-2814?

NSN 4820-01-039-2814 is a Ring,adjusting, manufactured by Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-039-2814?

NSN 4820-01-039-2814 has 3 cross-referenced part numbers: 87121 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), 5VNM72PC10 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), 5VKJ72PC10 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse).

What NSN replaces 4820-01-039-2814?

There are 4 known substitutes for 4820-01-039-2814: 3120-00-661-8500, 5998-00-831-7289, 1650-01-552-0815 and 1 more. Verify interchangeability with system specifications before substitution.

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