PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F-8290 ITEM NO. 1Disk,valve

Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture · NSN 4820-01-277-7686 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-277-7686 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-277-7686. Primary manufacturer part number: F-8290 ITEM NO. 1.
Features
  • Disk,valve — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-277-7686, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-277-7686
Primary Part NumberF-8290 ITEM NO. 1
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-256-0874900-168 INTERCHANGEABLE
Backshell,electrical Connector
Electro Adapter Inc
5330-00-371-5806900-168 INTERCHANGEABLE
Gasket Set
Dresser, Llc
4820-01-277-7586 INTERCHANGEABLE
Parts Kit,valve
3020-01-385-6828900168 INTERCHANGEABLE
Gear,spur
Palfinger Marine Usa, Llc
Cross-Reference Index
Part NumberManufacturer
F-8290 ITEM NO. 1 PRIMARY Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
F-8290 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
B-3777 916675 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
900168 Lee Evans, Inc. (USA)
F-8290 ITEM 1 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
Related Parts
5935-00-256-0874INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
900-168
5330-00-371-5806INTERCHANGEABLE
GASKET SET
900-168
4820-01-277-7586INTERCHANGEABLE
PARTS KIT,VALVE
3020-01-385-6828INTERCHANGEABLE
GEAR,SPUR
900168

Frequently Asked Questions

What is NSN 4820-01-277-7686?

NSN 4820-01-277-7686 is a Disk,valve, manufactured by Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-277-7686?

NSN 4820-01-277-7686 has 5 cross-referenced part numbers: F-8290 ITEM NO. 1 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), F-8290 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), B-3777 916675 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 900168 (Lee Evans, Inc.), F-8290 ITEM 1 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand).

What NSN replaces 4820-01-277-7686?

There are 4 known substitutes for 4820-01-277-7686: 5935-00-256-0874, 5330-00-371-5806, 4820-01-277-7586 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F-8290 ITEM NO. 1?

Key specifications for F-8290 ITEM NO. 1: Special Features: COBALT ALLOY. 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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