PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

041774Plunger,pilot Valve,governor

Woodward, Inc. · NSN 2990-00-391-7609 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-391-7609 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-391-7609. Primary manufacturer part number: 041774.
Features
  • Plunger,pilot Valve,governor — FSC 2990
  • General Characteristics Item Description: STEEL,AISI C-1118,ROCKWELL 88-92 HARDNESS,DIM STARTING AT HEAD END,0.305 IN. MIN,0.308 IN. MAX DIA HEAD,0.250 IN. HEAD LG,0.375 IN. COLLAR OD,0.067 IN. THK,0.235 IN. TOP SHAFT OD,0.377 IN. LG,0.249 IN. OD CENTER SECTION OF SHAFT,0.500 IN. LG,0.156 IN. OD END SECTION OF SHAFT,0.688 IN. LG,0.118 IN. LG END COLLAR,3/16 DRILL 0.250 IN. DEEP IN HEAD END,NO 51 DRILL THRU BOTH SIDES OF HEAD 0.165 IN. FROM HOLE CENTER TO HEAD END IN
  • 4 verified cross-references
  • Primary manufacturer: Woodward, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plunger,pilot Valve,governor, cataloged under National Stock Number 2990-00-391-7609, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Woodward, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-391-7609
Primary Part Number041774
Item NamePlunger,pilot Valve,governor
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWoodward, Inc.
StatusACTIVE
General Characteristics Item DescriptionSTEEL,AISI C-1118,ROCKWELL 88-92 HARDNESS,DIM STARTING AT HEAD END,0.305 IN. MIN,0.308 IN. MAX DIA HEAD,0.250 IN. HEAD LG,0.375 IN. COLLAR OD,0.067 IN. THK,0.235 IN. TOP SHAFT OD,0.377 IN. LG,0.249 IN. OD CENTER SECTION OF SHAFT,0.500 IN. LG,0.156 IN. OD END SECTION OF SHAFT,0.688 IN. LG,0.118 IN. LG END COLLAR,3/16 DRILL 0.250 IN. DEEP IN HEAD END,NO 51 DRILL THRU BOTH SIDES OF HEAD 0.165 IN. FROM HOLE CENTER TO HEAD END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-239-5784040041 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Astronics Test Systems Inc
5905-01-073-3465 INTERCHANGEABLE
Resistor,fixed,film
6105-01-429-92905KR326NS999HKF2 INTERCHANGEABLE
Motor,alternating Current
Ward Leonard Ct Llc
6515-01-518-281301642 INTERCHANGEABLE
Adapter,pressure Line,ventilator
Cardinal Health 200, Llc
2540-01-602-9603040041 INTERCHANGEABLE
Box,accessories Stowage
Mega Corp.
Cross-Reference Index
Part NumberManufacturer
041774 PRIMARY Woodward, Inc. (USA)
041774 Woodward, Inc. Div Fuel Systems and Controls (USA)
040041 Woodward, Inc. (USA)
040041 Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
5905-00-239-5784INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
040041
5905-01-073-3465INTERCHANGEABLE
RESISTOR,FIXED,FILM
6105-01-429-9290INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5KR326NS999HKF2
6515-01-518-2813INTERCHANGEABLE
ADAPTER,PRESSURE LINE,VENTILATOR
01642
2540-01-602-9603INTERCHANGEABLE
BOX,ACCESSORIES STOWAGE
040041

Frequently Asked Questions

What is NSN 2990-00-391-7609?

NSN 2990-00-391-7609 is a Plunger,pilot Valve,governor, manufactured by Woodward, Inc., classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-391-7609?

NSN 2990-00-391-7609 has 4 cross-referenced part numbers: 041774 (Woodward, Inc.), 041774 (Woodward, Inc. Div Fuel Systems and Controls), 040041 (Woodward, Inc.), 040041 (Woodward, Inc. Div Fuel Systems and Controls).

What NSN replaces 2990-00-391-7609?

There are 5 known substitutes for 2990-00-391-7609: 5905-00-239-5784, 5905-01-073-3465, 6105-01-429-9290 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 041774?

Key specifications for 041774: General Characteristics Item Description: STEEL,AISI C-1118,ROCKWELL 88-92 HARDNESS,DIM STARTING AT HEAD END,0.305 IN. MIN,0.308 IN. MAX DIA HEAD,0.250 IN. HEAD LG,0.375 IN. COLLAR OD,0.067 IN. THK,0.235 IN. TOP SHAFT OD,0.377 IN. LG,0.249 IN. OD CENTER SECTION OF SHAFT,0.500 IN. LG,0.156 IN. OD END SECTION OF SHAFT,0.688 IN. LG,0.118 IN. LG END COLLAR,3/16 DRILL 0.250 IN. DEEP IN HEAD END,NO 51 DRILL THRU BOTH SIDES OF HEAD 0.165 IN. FROM HOLE CENTER TO HEAD END 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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