PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

004318.831.000Seat,valve

Flowserve Us Company Div Flow Control Division · NSN 4820-01-578-6764 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-578-6764 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-578-6764. Primary manufacturer part number: 004318.831.000.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING SEAT
  • 4 verified cross-references
  • Primary manufacturer: Flowserve Us Company Div Flow Control Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-578-6764, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Us Company Div Flow Control Division. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-578-6764
Primary Part Number004318.831.000
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Us Company Div Flow Control Division
StatusACTIVE
MaterialSTEEL CORROSION RESISTING SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-550-1059M-4721 INTERCHANGEABLE
Nut,plain,hexagon
Rockwell Automation, Inc. Dba Rockwell Automation
Cross-Reference Index
Part NumberManufacturer
004318.831.000 PRIMARY Flowserve Us Company Div Flow Control Division (USA)
PL229626.002 ITEM 20 Flowserve Us Company Div Flow Control Division (USA)
004318.831.000 Pro-Quip Inc (USA)
10009736 Flowserve Us Company Div Flow Control Division (USA)
Related Parts
5310-00-550-1059INTERCHANGEABLE
NUT,PLAIN,HEXAGON
M-4721

Frequently Asked Questions

What is NSN 4820-01-578-6764?

NSN 4820-01-578-6764 is a Seat,valve, manufactured by Flowserve Us Company Div Flow Control Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-578-6764?

NSN 4820-01-578-6764 has 4 cross-referenced part numbers: 004318.831.000 (Flowserve Us Company Div Flow Control Division), PL229626.002 ITEM 20 (Flowserve Us Company Div Flow Control Division), 004318.831.000 (Pro-Quip Inc), 10009736 (Flowserve Us Company Div Flow Control Division).

What NSN replaces 4820-01-578-6764?

There is 1 known substitute for 4820-01-578-6764: 5310-00-550-1059. Verify interchangeability with system specifications before substitution.

What are the specifications of 004318.831.000?

Key specifications for 004318.831.000: End Item Identification: VALVE,GLOBE 229626.002;TRANS ALT AS39-048; Material: STEEL CORROSION RESISTING SEAT; Part Name Assigned by Controlling Agency: SEAT RING. 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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