PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401869Seat,valve

Woodward, Inc. Div Fuel Systems and Controls · NSN 4820-00-608-4191 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-608-4191 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-608-4191. Primary manufacturer part number: 401869.
Features
  • Seat,valve — FSC 4820
  • Style Designator: PLAIN FLANGED
  • Seal Accommodation Type: GROOVED
  • 1 verified cross-reference
  • Primary manufacturer: Woodward, Inc. Div Fuel Systems and Controls
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-608-4191, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-608-4191
Primary Part Number401869
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
Style DesignatorPLAIN FLANGED
Seal Accommodation TypeGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5307-00-734-87857350204 INTERCHANGEABLE
Stud,plain
U S Army Tank Automotive Command Amsta-Im-Mm
3120-01-072-0167401869 INTERCHANGEABLE
Bushing,sleeve
Telemechanics Inc
5998-01-371-3090401869 INTERCHANGEABLE
Circuit Card Assembly
Astronics Test Systems Inc
Cross-Reference Index
Part NumberManufacturer
401869 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
5307-00-734-8785INTERCHANGEABLE
STUD,PLAIN
7350204
3120-01-072-0167INTERCHANGEABLE
BUSHING,SLEEVE
401869
5998-01-371-3090INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
401869

Frequently Asked Questions

What is NSN 4820-00-608-4191?

NSN 4820-00-608-4191 is a Seat,valve, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-608-4191?

NSN 4820-00-608-4191 has 1 cross-referenced part number: 401869 (Woodward, Inc. Div Fuel Systems and Controls).

What NSN replaces 4820-00-608-4191?

There are 3 known substitutes for 4820-00-608-4191: 5307-00-734-8785, 3120-01-072-0167, 5998-01-371-3090. Verify interchangeability with system specifications before substitution.

What are the specifications of 401869?

Key specifications for 401869: Style Designator: PLAIN FLANGED; Seal Accommodation Type: GROOVED. 2 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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