PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2919Seat,valve

Lawler Manufacturing Company, Inc. · NSN 4820-00-969-2370 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-969-2370 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-969-2370. Primary manufacturer part number: 2919.
Features
  • Seat,valve — FSC 4820
  • Under Flange Height: 0.688 INCHES NOMINAL IN
  • Flange Diameter: 2.281 INCHES NOMINAL IN
  • Style Designator: THREADED FLANGED
  • Thread Quantity Per Inch: 18 SINGLE THREADED PORTION
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-969-2370, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN4820-00-969-2370
Primary Part Number2919
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Under Flange Height0.688 INCHES NOMINAL IN
Flange Diameter2.281 INCHES NOMINAL IN
Style DesignatorTHREADED FLANGED
Thread Quantity Per Inch18 SINGLE THREADED PORTION
Thread Class2A SINGLE THREADED PORTION A
Flange Seat to Disk End Height0.250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNS SINGLE THREADED PORTION
Nominal Thread Size1.875 INCHES SINGLE THREADED PORTION IN
Seating Surface ShapeFLAT
Thread Length0.562 INCHES NOMINAL SINGLE THREADED PORTION IN
Body Inside Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4520-00-232-48772919 INTERCHANGEABLE
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Goodrich Corporation
2940-00-407-940842919 INTERCHANGEABLE
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2530-00-728-73365465549 INTERCHANGEABLE
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3010-01-032-5971120-2-190 INTERCHANGEABLE
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5985-01-110-33895399651-7 INTERCHANGEABLE
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5920-01-195-7251M100066-7 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
897DPC19 Lawler Manufacturing Company, Inc. (USA)
2919 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
4520-00-232-4877INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2919
2940-00-407-9408INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42919
2530-00-728-7336INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5465549
3020-00-842-8347INTERCHANGEABLE
GEAR,SPUR
3010-01-032-5971INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
120-2-190
5960-01-057-9186INTERCHANGEABLE
ELECTRON TUBE
104263
5985-01-110-3389INTERCHANGEABLE
ATTENUATOR,FIXED
5399651-7
5920-01-195-7251INTERCHANGEABLE
FUSEHOLDER,BLOCK
M100066-7
5998-01-515-4853INTERCHANGEABLE
PRINTED CIRCUIT BOARD
2919
6515-01-549-5023INTERCHANGEABLE
SLEEVE,HYDRATION MODULE
BHSMP
4010-01-561-6576INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
4004154
1005-01-632-0758INTERCHANGEABLE
LEVER,LOCK-RELEASE
2919

Frequently Asked Questions

What is NSN 4820-00-969-2370?

NSN 4820-00-969-2370 is a Seat,valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-969-2370?

NSN 4820-00-969-2370 has 2 cross-referenced part numbers: 897DPC19 (Lawler Manufacturing Company, Inc.), 2919 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-969-2370?

There are 12 known substitutes for 4820-00-969-2370: 4520-00-232-4877, 2940-00-407-9408, 2530-00-728-7336 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2919?

Key specifications for 2919: Under Flange Height: 0.688 INCHES NOMINAL IN; Flange Diameter: 2.281 INCHES NOMINAL IN; Style Designator: THREADED FLANGED; Thread Quantity Per Inch: 18 SINGLE THREADED PORTION. 12 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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