PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NC4128PC883Governor,valve

Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture · NSN 2990-00-051-6250 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-051-6250 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-051-6250. Primary manufacturer part number: NC4128PC883.
Features
  • Governor,valve — FSC 2990
  • General Characteristics Item Description: CRES,MIL-S-861 CL 422AN
  • 6 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 Governor,valve, cataloged under National Stock Number 2990-00-051-6250, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-051-6250
Primary Part NumberNC4128PC883
Item NameGovernor,valve
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerDresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture
StatusACTIVE
General Characteristics Item DescriptionCRES,MIL-S-861 CL 422AN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9330-00-264-7629 INTERCHANGEABLE
Plastic Sheet,pressure Sensitive
9330-00-542-5697 INTERCHANGEABLE
Plastic Sheet,pressure Sensitive
Cross-Reference Index
Part NumberManufacturer
NC4128PC883 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
H7698PC123 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
883NC4128 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
365023 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
365023 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
365023 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
Related Parts
9330-00-264-7629INTERCHANGEABLE
PLASTIC SHEET,PRESSURE SENSITIVE
9330-00-542-5697INTERCHANGEABLE
PLASTIC SHEET,PRESSURE SENSITIVE

Frequently Asked Questions

What is NSN 2990-00-051-6250?

NSN 2990-00-051-6250 is a Governor,valve, manufactured by Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-051-6250?

NSN 2990-00-051-6250 has 6 cross-referenced part numbers: NC4128PC883 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), H7698PC123 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 883NC4128 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 365023 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 365023 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions) and 1 more.

What NSN replaces 2990-00-051-6250?

There are 2 known substitutes for 2990-00-051-6250: 9330-00-264-7629, 9330-00-542-5697. Verify interchangeability with system specifications before substitution.

What are the specifications of NC4128PC883?

Key specifications for NC4128PC883: General Characteristics Item Description: CRES,MIL-S-861 CL 422AN. 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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