PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2850Seat,valve

Lawler Manufacturing Company, Inc. · NSN 4810-00-969-2702 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-969-2702 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-969-2702. Primary manufacturer part number: 2850.
Features
  • Seat,valve — FSC 4810
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Thread Series Designator: UNF SINGLE THREADED PORTION
  • Thread Length: 0.438 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Under Flange Height: 0.500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Seat Angle in Deg: 75.000 NOMINAL
  • Body Inside Diameter: 0.750 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-969-2702, is classified within Federal Supply Class 4810 (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 1 commercial cross-reference 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
NSN4810-00-969-2702
Primary Part Number2850
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Thread Class2A SINGLE THREADED PORTION A
Thread Series DesignatorUNF SINGLE THREADED PORTION
Thread Length0.438 INCHES NOMINAL SINGLE THREADED PORTION IN
Under Flange Height0.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Seat Angle in Deg75.000 NOMINAL
Body Inside Diameter0.750 INCHES NOMINAL IN
Nominal Thread Size1.375 INCHES SINGLE THREADED PORTION IN
Flange Seat to Disk End Height0.375 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Flange Diameter1.500 INCHES NOMINAL IN
Style DesignatorTHREADED FLANGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-047-4461 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
6636-00-173-9067 INTERCHANGEABLE
Chamber,environmental Testing
4130-00-196-3633125580-001 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
6515-00-370-290048-1265 INTERCHANGEABLE
Anoscope
Boss Instruments, Limited Inc
5950-00-409-3884TRR00046 INTERCHANGEABLE
Transformer,power
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
5340-00-415-51262850 INTERCHANGEABLE
Plunger,detent
Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex
5950-00-681-7466 INTERCHANGEABLE
Transformer,power
5961-00-682-8381SCDL101089 INTERCHANGEABLE
Holder,semiconductor Device
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2990-00-737-1452A7517 INTERCHANGEABLE
Control Assembly,push-Pull
Am General Llc
3610-01-019-4878 INTERCHANGEABLE
Printing Press,offset
Cross-Reference Index
Part NumberManufacturer
2850 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
2530-00-047-4461INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
6636-00-173-9067INTERCHANGEABLE
CHAMBER,ENVIRONMENTAL TESTING
4130-00-196-3633INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
125580-001
6515-00-370-2900INTERCHANGEABLE
ANOSCOPE
48-1265
5950-00-409-3884INTERCHANGEABLE
TRANSFORMER,POWER
TRR00046
5340-00-415-5126INTERCHANGEABLE
PLUNGER,DETENT
2850
5950-00-681-7466INTERCHANGEABLE
TRANSFORMER,POWER
5961-00-682-8381INTERCHANGEABLE
HOLDER,SEMICONDUCTOR DEVICE
SCDL101089
2990-00-737-1452INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
A7517
3610-01-019-4878INTERCHANGEABLE
PRINTING PRESS,OFFSET
5820-01-055-5412INTERCHANGEABLE
CAMERA,TELEVISION
5342-01-258-8926INTERCHANGEABLE
TRACK,SPECIAL

Frequently Asked Questions

What is NSN 4810-00-969-2702?

NSN 4810-00-969-2702 is a Seat,valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-969-2702?

NSN 4810-00-969-2702 has 1 cross-referenced part number: 2850 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4810-00-969-2702?

There are 12 known substitutes for 4810-00-969-2702: 2530-00-047-4461, 6636-00-173-9067, 4130-00-196-3633 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2850?

Key specifications for 2850: Thread Class: 2A SINGLE THREADED PORTION A; Thread Series Designator: UNF SINGLE THREADED PORTION; Thread Length: 0.438 INCHES NOMINAL SINGLE THREADED PORTION IN; Under Flange Height: 0.500 INCHES NOMINAL IN. 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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