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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SETSCREW

Definition:

AN EXTERNALLY THREADED DEVICE WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH OR WITHOUT A HEAD AND HAVING A CUP, CONE, OR OTHER TYPE OF MACHINED POINT DESIGNED TO PREVENT OR RESTRICT RELATIVE MOVEMENT OF PARTS AND DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.

CAGE Information

Code Company
80064 NAVAL SHIP SYSTEMS COMMAND

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.250 INCHES MAXIMUM
AASA THREAD LENGTH 0.250 INCHES MAXIMUM
AASU HEAD HEIGHT 0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
AAJD THREAD CLASS 3A
MATT MATERIAL STEEL COMP 1016 OVERALL OR STEEL COMP 1011 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1213 OVERALL OR STEEL COMP 1212 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1137 OVERALL
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
ABQZ INTERNAL DRIVE STYLE W/O INTERNAL DRIVE
AASK HEAD STYLE SQUARE
AAJF THREAD DIRECTION RIGHT-HAND
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
ABQJ POINT STYLE OVAL
ZZZT NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 3 STYLE
AASB FASTENER LENGTH 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
CQFM HARDNESS RATING 30.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL
CBBL FEATURES PROVIDED CASEHARDENED
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
CMLP THREAD QUANTITY PER INCH 20
AATB WIDTH BETWEEN FLATS 0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM

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