PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

040772Seat,valve

Woodward, Inc. · NSN 4820-01-145-9448 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-145-9448 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-145-9448. Primary manufacturer part number: 040772.
Features
  • Seat,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Woodward, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-145-9448, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Woodward, Inc.. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWoodward, Inc. (CAGE 31361)
Technical Specifications
ParameterValue
NSN4820-01-145-9448
Primary Part Number040772
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWoodward, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-01-033-6627360484 INTERCHANGEABLE
Lever Assembly,power-Speed Contr
Woodward, Inc.
2825-01-033-6628360528 INTERCHANGEABLE
Piston Rod,governor
Woodward, Inc.
3040-01-075-1098366653 INTERCHANGEABLE
Connecting Link,rigid
Woodward, Inc.
2990-01-075-7375365504 INTERCHANGEABLE
Fulcrum Assembly,governor
Woodward, Inc.
2990-01-120-1024361654 INTERCHANGEABLE
Ballhead Assembly
Woodward, Inc.
2825-01-126-9370 INTERCHANGEABLE
Piston Rod,governor
3040-01-126-9371 INTERCHANGEABLE
Piston,linear Actuating Cylinder
5340-01-154-8085366084 INTERCHANGEABLE
Bracket,governor,pump
Woodward, Inc.
5340-01-157-3172365467 INTERCHANGEABLE
Bracket,pivot
Woodward, Inc.
2990-01-185-7905365741 INTERCHANGEABLE
Stop,speed Switch,governor
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
040772 PRIMARY Woodward, Inc. (USA)
9988-546 ITEM 12.1.1 Woodward, Inc. (USA)
9988-546 Woodward, Inc. (USA)
Related Parts
2990-01-033-6627INTERCHANGEABLE
LEVER ASSEMBLY,POWER-SPEED CONTR
360484
2825-01-033-6628INTERCHANGEABLE
PISTON ROD,GOVERNOR
360528
3040-01-075-1098INTERCHANGEABLE
CONNECTING LINK,RIGID
366653
2990-01-075-7375INTERCHANGEABLE
FULCRUM ASSEMBLY,GOVERNOR
365504
2990-01-120-1024INTERCHANGEABLE
BALLHEAD ASSEMBLY
361654
2825-01-126-9370INTERCHANGEABLE
PISTON ROD,GOVERNOR
3040-01-126-9371INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
5340-01-154-8085INTERCHANGEABLE
BRACKET,GOVERNOR,PUMP
366084
5340-01-157-3172INTERCHANGEABLE
BRACKET,PIVOT
365467
2990-01-185-7905INTERCHANGEABLE
STOP,SPEED SWITCH,GOVERNOR
365741
5342-01-219-7497INTERCHANGEABLE
BRACKET,ADJUSTING
364422
4820-01-221-0110INTERCHANGEABLE
BODY,VALVE
362816

Frequently Asked Questions

What is NSN 4820-01-145-9448?

NSN 4820-01-145-9448 is a Seat,valve, manufactured by Woodward, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-145-9448?

NSN 4820-01-145-9448 has 3 cross-referenced part numbers: 040772 (Woodward, Inc.), 9988-546 ITEM 12.1.1 (Woodward, Inc.), 9988-546 (Woodward, Inc.).

What NSN replaces 4820-01-145-9448?

There are 12 known substitutes for 4820-01-145-9448: 2990-01-033-6627, 2825-01-033-6628, 3040-01-075-1098 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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