PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30219Seat,valve

Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val · NSN 4820-01-419-6931 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-419-6931 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-419-6931. Primary manufacturer part number: 30219.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL COMP 440C OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 440c Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-419-6931, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val. Government technical data includes 3 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-419-6931
Primary Part Number30219
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTriumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
StatusACTIVE
Seating Surface ShapeFLAT
Hardness Rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 440C OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-156-8230 INTERCHANGEABLE
Bearing,ball,annular
4820-00-168-8744BB57S4901ALT,DPC219 INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
3110-00-215-030330219 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
2520-00-752-1703A3866Z520 INTERCHANGEABLE
Retainer Assembly,bearing
Meritor Industrial Products, Llc
4730-01-256-900030-219-16H INTERCHANGEABLE
Adapter,straight,flange to Tube
Bell Textron Inc
5120-01-565-187030219 INTERCHANGEABLE
Screwdriver,flat Tip
Wiha Quality Tools
3130-01-649-541030219 INTERCHANGEABLE
Housing,bearing Unit
Generac Mobile Products, Llc
5975-01-671-107030219 INTERCHANGEABLE
Junction Box
Mulberry Metal Products Inc
Cross-Reference Index
Part NumberManufacturer
30219 PRIMARY Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val (USA)
Related Parts
3110-00-156-8230INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-00-168-8744INTERCHANGEABLE
VALVE,GLOBE
BB57S4901ALT,DPC219
3110-00-215-0303INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30219
2520-00-752-1703INTERCHANGEABLE
RETAINER ASSEMBLY,BEARING
A3866Z520
4730-01-256-9000INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO TUBE
30-219-16H
5120-01-565-1870INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
30219
3130-01-649-5410INTERCHANGEABLE
HOUSING,BEARING UNIT
30219
5975-01-671-1070INTERCHANGEABLE
JUNCTION BOX
30219

Frequently Asked Questions

What is NSN 4820-01-419-6931?

NSN 4820-01-419-6931 is a Seat,valve, manufactured by Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-419-6931?

NSN 4820-01-419-6931 has 1 cross-referenced part number: 30219 (Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val).

What NSN replaces 4820-01-419-6931?

There are 8 known substitutes for 4820-01-419-6931: 3110-00-156-8230, 4820-00-168-8744, 3110-00-215-0303 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30219?

Key specifications for 30219: Seating Surface Shape: FLAT; Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL COMP 440C OVERALL; End Item Identification: AIRCRAFT,HERCULES C-130. 4 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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