PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820301Seat,valve

Lexair Inc · NSN 4820-00-713-2882 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-713-2882 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-713-2882. Primary manufacturer part number: 820301.
Features
  • Seat,valve — FSC 4820
  • Hardness Rating: 45.0 ROCKWELL C NOMINAL BODY
  • Material: STEEL CORROSION RESISTING OVERALL
  • Hardness Rating: 45.0 ROCKWELL C NOMINAL FACE
  • 1 verified cross-reference
  • Primary manufacturer: Lexair Inc
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 4820-00-713-2882, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lexair Inc. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-713-2882
Primary Part Number820301
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLexair Inc
StatusACTIVE
Hardness Rating45.0 ROCKWELL C NOMINAL BODY
MaterialSTEEL CORROSION RESISTING OVERALL
Hardness Rating45.0 ROCKWELL C NOMINAL FACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-727-8874820301 INTERCHANGEABLE
Shim
Naval Air Development Center Warminster Navairsyscom Hq
4810-01-033-7628471 82 03-01 INTERCHANGEABLE
Valve,solenoid
Wascomat of America Div of Bermil Industries Corp
4130-01-088-708282030-1 INTERCHANGEABLE
Support Assembly,heater
Hdt Expeditionary Systems Inc
5355-01-359-259382030-1 INTERCHANGEABLE
Knob
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
820301 PRIMARY Lexair Inc (USA)
Related Parts
5365-00-727-8874INTERCHANGEABLE
SHIM
820301
4810-01-033-7628INTERCHANGEABLE
VALVE,SOLENOID
471 82 03-01
4130-01-088-7082INTERCHANGEABLE
SUPPORT ASSEMBLY,HEATER
82030-1
5355-01-359-2593INTERCHANGEABLE
KNOB
82030-1

Frequently Asked Questions

What is NSN 4820-00-713-2882?

NSN 4820-00-713-2882 is a Seat,valve, manufactured by Lexair Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-713-2882?

NSN 4820-00-713-2882 has 1 cross-referenced part number: 820301 (Lexair Inc).

What NSN replaces 4820-00-713-2882?

There are 4 known substitutes for 4820-00-713-2882: 5365-00-727-8874, 4810-01-033-7628, 4130-01-088-7082 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 820301?

Key specifications for 820301: Hardness Rating: 45.0 ROCKWELL C NOMINAL BODY; Material: STEEL CORROSION RESISTING OVERALL; Hardness Rating: 45.0 ROCKWELL C NOMINAL FACE. 3 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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