PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3068Seat,valve

Mintex International Corp · NSN 4820-00-057-2391 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-057-2391 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-057-2391. Primary manufacturer part number: 3068.
Features
  • Seat,valve — FSC 4820
  • Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN
  • Body Outside Diameter: 0.754 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
  • Flange Diameter: 0.843 INCHES NOMINAL IN
  • Under Flange Height: 0.500 INCHES NOMINAL IN
  • Body Inside Diameter: 0.625 INCHES NOMINAL IN
  • Style Designator: PLAIN FLANGED
  • Material: NICKEL ALLOY 400 BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy 400 Body construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-057-2391, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mintex International Corp. Government technical data includes 8 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
NSN4820-00-057-2391
Primary Part Number3068
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMintex International Corp
StatusACTIVE
Flange Seat to Disk End Height0.250 INCHES NOMINAL IN
Body Outside Diameter0.754 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
Flange Diameter0.843 INCHES NOMINAL IN
Under Flange Height0.500 INCHES NOMINAL IN
Body Inside Diameter0.625 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGED
MaterialNICKEL ALLOY 400 BODY
Seating Surface ShapeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-063-644903-03068-0A INTERCHANGEABLE
Reactor
Ballantine Laboratories Inc
6150-00-133-454425014PC68SH14 INTERCHANGEABLE
Cable Assembly,power,electrical
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
5950-00-356-4818712050-050 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Div Rmd Strategic
1650-00-486-24603068 INTERCHANGEABLE
Plate-Shutoff Valve
Meggitt North Hollywood Inc
5815-00-603-71973068 INTERCHANGEABLE
Follower Lever Sold
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5999-00-609-03972A INTERCHANGEABLE
Cooler,air,electronic Equipment
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6850-01-007-80733068 INTERCHANGEABLE
Cleaning Compound,solvent
Koh-I-Noor Rapidograph Inc
4820-01-248-37403068 INTERCHANGEABLE
Stem,fluid Valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4820-01-273-76463068 INTERCHANGEABLE
Valve,check
Tactair Fluid Controls Inc
6110-01-277-37243068 INTERCHANGEABLE
Regulator,voltage
Oai Electronics, Llc Div Oai Electronics
Cross-Reference Index
Part NumberManufacturer
3068 Mintex International Corp (USA)
Related Parts
5950-00-063-6449INTERCHANGEABLE
REACTOR
03-03068-0A
6150-00-133-4544INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
25014PC68SH14
5950-00-356-4818INTERCHANGEABLE
COIL,RADIO FREQUENCY
712050-050
1650-00-486-2460INTERCHANGEABLE
PLATE-SHUTOFF VALVE
3068
5815-00-603-7197INTERCHANGEABLE
FOLLOWER LEVER SOLD
3068
5999-00-609-0397INTERCHANGEABLE
COOLER,AIR,ELECTRONIC EQUIPMENT
2A
6850-01-007-8073INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
3068
4820-01-248-3740INTERCHANGEABLE
STEM,FLUID VALVE
3068
4820-01-273-7646INTERCHANGEABLE
VALVE,CHECK
3068
6110-01-277-3724INTERCHANGEABLE
REGULATOR,VOLTAGE
3068
5330-01-333-4504INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
3068
6515-01-390-9627INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
3068

Frequently Asked Questions

What is NSN 4820-00-057-2391?

NSN 4820-00-057-2391 is a Seat,valve, manufactured by Mintex International Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-057-2391?

NSN 4820-00-057-2391 has 1 cross-referenced part number: 3068 (Mintex International Corp).

What NSN replaces 4820-00-057-2391?

There are 12 known substitutes for 4820-00-057-2391: 5950-00-063-6449, 6150-00-133-4544, 5950-00-356-4818 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3068?

Key specifications for 3068: Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 0.754 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN; Flange Diameter: 0.843 INCHES NOMINAL IN; Under Flange Height: 0.500 INCHES NOMINAL IN. 8 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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