PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40119Seat,valve

Northrop Grumman Systems Corporation Div Marine Systems · NSN 4820-01-280-8363 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-280-8363 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-280-8363. Primary manufacturer part number: 40119.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING SEAT
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-280-8363, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-280-8363
Primary Part Number40119
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
MaterialSTEEL CORROSION RESISTING SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2530-00-244-9841 INTERCHANGEABLE
Link,brake
5330-00-285-6381PH283 INTERCHANGEABLE
Seal,plain Encased
Wisconsin Motors, Llc
5950-00-556-1626 INTERCHANGEABLE
Saturable Reactor
5950-00-889-6645 INTERCHANGEABLE
Transformer,power
6105-00-902-449840119 INTERCHANGEABLE
Case,thermostat,mot
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
5180-01-092-0489 INTERCHANGEABLE
Service Kit,pins
3120-01-257-8409 INTERCHANGEABLE
Bearing,outer
5365-01-262-7819 INTERCHANGEABLE
Spacer,ring
4810-01-519-077740119-3 INTERCHANGEABLE
Base and Ring Gear Assembly
Morpac Industries, Inc Div Actuator
8465-01-565-400340119 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
D15-600W PIECE 538 Northrop Grumman Systems Corporation Div Marine Systems (USA)
40119 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-600P PIECE 538 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
2530-00-244-9841INTERCHANGEABLE
LINK,BRAKE
5330-00-285-6381INTERCHANGEABLE
SEAL,PLAIN ENCASED
PH283
5950-00-556-1626INTERCHANGEABLE
SATURABLE REACTOR
5950-00-889-6645INTERCHANGEABLE
TRANSFORMER,POWER
6105-00-902-4498INTERCHANGEABLE
CASE,THERMOSTAT,MOT
40119
5180-01-092-0489INTERCHANGEABLE
SERVICE KIT,PINS
3120-01-257-8409INTERCHANGEABLE
BEARING,OUTER
5365-01-262-7819INTERCHANGEABLE
SPACER,RING
4810-01-519-0777INTERCHANGEABLE
BASE AND RING GEAR ASSEMBLY
40119-3
8465-01-565-4003INTERCHANGEABLE
HYDRATION SYSTEM
40119

Frequently Asked Questions

What is NSN 4820-01-280-8363?

NSN 4820-01-280-8363 is a Seat,valve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-280-8363?

NSN 4820-01-280-8363 has 3 cross-referenced part numbers: D15-600W PIECE 538 (Northrop Grumman Systems Corporation Div Marine Systems), 40119 (Northrop Grumman Systems Corporation Div Marine Systems), D15-600P PIECE 538 (Northrop Grumman Systems Corporation Div Marine Systems).

What NSN replaces 4820-01-280-8363?

There are 10 known substitutes for 4820-01-280-8363: 2530-00-244-9841, 5330-00-285-6381, 5950-00-556-1626 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40119?

Key specifications for 40119: Material: STEEL CORROSION RESISTING SEAT. 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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