9640-00-287-2138 ROUND,METAL Index 8460-00-287-2140 CASE,MAP

National Stock Number:
9640-00-287-2139

Federal Supply Class:
9640

National Item Identification Number:
002872139

Description:
ROUND,METAL

Detail:
A FERROUS OR NONFERROUS PRODUCT OF UNIFORM SOLID OR CORED CROSS SECTION THROUGHOUT. IT IS APPROXIMATELY ROUND. CROSS-SECTIONAL DIMENSIONS ARE LIMITED TO A LARGER THAN 4 INCH OR 100.0MM OUTSIDE DIAMETER MINIMUM TO A 24 INCH OR 610.0MM OUTSIDE DIAMETER MAXIMUM. IT IS INTENDED FOR FURTHER HOT WORKING UNDER A FORGING HAMMER OR FORGING PRESS TO THE DESIRED SHAPE OF END PRODUCT DESIRED. SEE BILLET, METAL; AND BLOOM, METAL.


Manufacturer Information:
D0D-F-24669/181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
DOD-F-24669/181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-1697481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BASIC SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER20.000 INCHES NOMINAL
HEAT TREATMENTNORMALIZED AND TEMPERED
LENGTH8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONDOD-F-24669/1,GRADE 8640 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8640
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH45000 POUNDS PER SQUARE INCH
NONDEFINITIVE SPEC/STD DATA8640 GRADE
WEIGHT PER UNIT MEASURE1069.000 POUNDS PER LINEAR FOOT
SPECIFICATION/STANDARD DATA81349-MIL-S-16974 GOVERNMENT SPECIFICATION


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