PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

869Seat,valve

Lawler Manufacturing Company, Inc. · NSN 4820-00-399-2765 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-399-2765 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-399-2765. Primary manufacturer part number: 869.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-399-2765, 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.. 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.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLawler Manufacturing Company, Inc. (CAGE 75545)
Technical Specifications
ParameterValue
NSN4820-00-399-2765
Primary Part Number869
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-101-09976B3797 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
5940-00-188-5440821 INTERCHANGEABLE
Terminal Board
Keystone Electronics Corp
5930-00-249-4525 INTERCHANGEABLE
Switch,thermostatic
5935-00-258-6314869 INTERCHANGEABLE
Plug,tip
Entron Industries Limited Partnership Dba Entron Industries Property Div
6115-00-329-3600869 INTERCHANGEABLE
Generator Set,gasoline Engine,tr
Hobart Bros Co
5330-00-857-0340869 INTERCHANGEABLE
Retainer,packing
Elsag Bailey Inc
5325-01-376-8876869 000 STS INTERCHANGEABLE
Stud,snap Fastener
Perko Inc
5325-01-579-0854869 INTERCHANGEABLE
Grommet,nonmetallic
Lavelle Industries, Inc. Dba Lavelle
Cross-Reference Index
Part NumberManufacturer
869 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
3110-00-101-0997INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
6B3797
5940-00-188-5440INTERCHANGEABLE
TERMINAL BOARD
821
5930-00-249-4525INTERCHANGEABLE
SWITCH,THERMOSTATIC
5935-00-258-6314INTERCHANGEABLE
PLUG,TIP
869
6115-00-329-3600INTERCHANGEABLE
GENERATOR SET,GASOLINE ENGINE,TR
869
5330-00-857-0340INTERCHANGEABLE
RETAINER,PACKING
869
5325-01-376-8876INTERCHANGEABLE
STUD,SNAP FASTENER
869 000 STS
5325-01-579-0854INTERCHANGEABLE
GROMMET,NONMETALLIC
869

Frequently Asked Questions

What is NSN 4820-00-399-2765?

NSN 4820-00-399-2765 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 4820-00-399-2765?

NSN 4820-00-399-2765 has 1 cross-referenced part number: 869 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-399-2765?

There are 8 known substitutes for 4820-00-399-2765: 3110-00-101-0997, 5940-00-188-5440, 5930-00-249-4525 and 5 more. Verify interchangeability with system specifications before substitution.

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