PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15778Ring,top,actuator

Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse · NSN 4820-00-036-1865 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1865 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1865. Primary manufacturer part number: 15778.
Features
  • Ring,top,actuator — FSC 4820
  • General Characteristics Item Description: STEEL;1.490 IN. O/A LG;3.715 IN. FLANGE DIA;2.120 IN. ID IN
  • 2 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,top,actuator, cataloged under National Stock Number 4820-00-036-1865, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1865
Primary Part Number15778
Item NameRing,top,actuator
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse
StatusACTIVE
General Characteristics Item DescriptionSTEEL;1.490 IN. O/A LG;3.715 IN. FLANGE DIA;2.120 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-021-385915779 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5950-00-043-0331805174-1 INTERCHANGEABLE
Transformer,power
Honeywell International, Inc Div Aerospace-Tucson
6210-00-054-460215778 INTERCHANGEABLE
Light,indicator
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
4820-00-083-423015778 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3455-00-516-315117613 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5342-01-063-523444-15778 INTERCHANGEABLE
Bracket,temperature Sending
Wheeler Fleet Solutions, Co.
6515-01-583-8247SDC-15 INTERCHANGEABLE
Scissors,microsurgical
Synovis Micro Companies Alliance, Inc.
Cross-Reference Index
Part NumberManufacturer
15778 Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
15778 Ashcroft Inc Dba Heise (USA)
Related Parts
5330-00-021-3859INTERCHANGEABLE
SEAL,PLAIN ENCASED
15779
5950-00-043-0331INTERCHANGEABLE
TRANSFORMER,POWER
805174-1
6210-00-054-4602INTERCHANGEABLE
LIGHT,INDICATOR
15778
4820-00-083-4230INTERCHANGEABLE
DISK,VALVE
15778
3455-00-516-3151INTERCHANGEABLE
CUTTER,MILLING,END
17613
5342-01-063-5234INTERCHANGEABLE
BRACKET,TEMPERATURE SENDING
44-15778
6515-01-583-8247INTERCHANGEABLE
SCISSORS,MICROSURGICAL
SDC-15

Frequently Asked Questions

What is NSN 4820-00-036-1865?

NSN 4820-00-036-1865 is a Ring,top,actuator, 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 4820-00-036-1865?

NSN 4820-00-036-1865 has 2 cross-referenced part numbers: 15778 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), 15778 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-036-1865?

There are 7 known substitutes for 4820-00-036-1865: 5330-00-021-3859, 5950-00-043-0331, 6210-00-054-4602 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15778?

Key specifications for 15778: General Characteristics Item Description: STEEL;1.490 IN. O/A LG;3.715 IN. FLANGE DIA;2.120 IN. ID 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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