PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6323Valve,check

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 4820-00-684-6102 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-684-6102 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-684-6102. Primary manufacturer part number: 6323.
Features
  • Valve,check — FSC 4820
  • Maximum Operating Temp: 135.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flange Shape: RECTANGULAR WITH HOLES ALL ENDS
  • Valve Size: 1.500 INCHES IN
  • Connection Type: FLANGE ALL ENDS
  • Second Connection Face to Centerline Distance: 1.500 INCHES IN
  • Operating Pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Thickness: 2.380 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-684-6102, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. Government technical data includes 18 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
NSN4820-00-684-6102
Primary Part Number6323
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Maximum Operating Temp135.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flange ShapeRECTANGULAR WITH HOLES ALL ENDS
Valve Size1.500 INCHES IN
Connection TypeFLANGE ALL ENDS
Second Connection Face to Centerline Distance1.500 INCHES IN
Operating Pressure60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thickness2.380 INCHES ALL ENDS IN
Style DesignatorANGLE FLANGED ENDS
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
First Connection Face to Centerline Distance2.000 INCHES IN
Flange Face DesignPLAIN ALL ENDS
Bolt Hole Nominal Diameter0.310 INCHES ALL ENDS IN
MaterialSTEEL COMP 303 OVERALL
Disk Loading MethodSPRING
Mounting PositionHORIZONTAL OR VERTICAL
Flow Control DeviceDISK
Valve Operation MethodAUTOMATIC
Bolt Hole Quantity4 ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-091-3289A6323 INTERCHANGEABLE
Gearshaft,spur
Aerocontrolex Group, Inc. Div Talley Actuators
4820-00-122-99676323 INTERCHANGEABLE
Body,valve
The Gorman-Rupp Company Div Gorman-Rupp
6810-00-138-4126 INTERCHANGEABLE
Hydrochloric Acid
3110-00-146-7366 INTERCHANGEABLE
Bearing
8345-00-233-2909 INTERCHANGEABLE
Flag,national
2010-00-363-7659 INTERCHANGEABLE
Link,band Stop
5360-00-448-37166323 INTERCHANGEABLE
Spring,helical,extension
Lucent Technologies Inc Corporate Headquarters
5975-00-802-6523UNL50N INTERCHANGEABLE
Union,electrical Conduit
Egs Electrical Group Appleton Div
8345-00-956-0384 INTERCHANGEABLE
Flag,national
2530-01-035-95206323 INTERCHANGEABLE
Cap,grease
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
6323 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
3040-00-091-3289INTERCHANGEABLE
GEARSHAFT,SPUR
A6323
4820-00-122-9967INTERCHANGEABLE
BODY,VALVE
6323
6810-00-138-4126INTERCHANGEABLE
HYDROCHLORIC ACID
3110-00-146-7366INTERCHANGEABLE
BEARING
8345-00-233-2909INTERCHANGEABLE
FLAG,NATIONAL
2010-00-363-7659INTERCHANGEABLE
LINK,BAND STOP
5360-00-448-3716INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
6323
5975-00-802-6523INTERCHANGEABLE
UNION,ELECTRICAL CONDUIT
UNL50N
8345-00-956-0384INTERCHANGEABLE
FLAG,NATIONAL
2530-01-035-9520INTERCHANGEABLE
CAP,GREASE
6323
7510-01-057-0096INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
5044
6130-01-078-5590INTERCHANGEABLE
POWER SUPPLY
APS 5-6/S409

Frequently Asked Questions

What is NSN 4820-00-684-6102?

NSN 4820-00-684-6102 is a Valve,check, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-684-6102?

NSN 4820-00-684-6102 has 1 cross-referenced part number: 6323 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 4820-00-684-6102?

There are 12 known substitutes for 4820-00-684-6102: 3040-00-091-3289, 4820-00-122-9967, 6810-00-138-4126 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6323?

Key specifications for 6323: Maximum Operating Temp: 135.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Shape: RECTANGULAR WITH HOLES ALL ENDS; Valve Size: 1.500 INCHES IN; Connection Type: FLANGE ALL ENDS. 18 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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