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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
COUNTERBORE , MACHINE

Definition:

AN END CUTTING TOOL HAVING TWO OR MORE CUTTING EDGES WITH FLUTES OR GROOVES FOR THE PASSAGE OF CUTTINGS, AN INTEGRAL OR REMOVABLE HOLDER DESIGNED FOR ADAPTION TO THE END OF A MACHINE SPINDLE. THE FLUTES OR GROOVES ARE USUALLY HELICAL TO GIVE A POSITIVE RAKE AT THE CUTTING EDGES. IT IS DESIGNED TO FORM A FLAT-BOTTOMED ENLARGEMENT OF THE MOUTH OF A PREVIOUSLY FORMED CYLINDRICAL HOLE. FOR ITEMS REQUIRING A HOLDER BUT THE HOLDER IS NOT INCLUDED, USE CUTTER, COUNTERBORE.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
RCA56-687 83324 A 3 2 4 75

CAGE Information

Code Company
83324 ALCOA GLOBAL FASTENERS INC. DBA ALCO

Federal Supply Class

Title

DRILL BITS, COUNTERBORES, AND CO

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ABHP OVERALL LENGTH 4.120 INCHES NOMINAL
ABHP OVERALL LENGTH 4.120 INCHES NOMINAL
ALAR FLUTE QUANTITY 4
AAVL PILOT DIAMETER 0.686 INCHES NOMINAL
CBBL FEATURES PROVIDED INTEGRAL PILOT
AKZH CUTTING END STYLE SOLID
MATT MATERIAL STEEL OVERALL
CQFM HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
AAZF SHANK STYLE STRAIGHT ROUND
AKZL NOMINAL CUTTING DIAMETER 0.8870 INCHES

Similar Parts

RCA56-687 , RCA56687 , 5133-00-177-7272 , 5133001777272 , 001777272 , RCA56-687 ,