Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , HEXAGON HEAD
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; AND SCREW, CAP, SOCKET HEAD.
CAGE Information
Code | Company |
---|---|
58275 | SASCO INC CANADIAN DIV |
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AATB | WIDTH BETWEEN FLATS | 0.438 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 0.438 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CSYM | SURFACE FINISH | 125.0 MICROINCHES BEARING SURFACE OF HEAD |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CQFM | HARDNESS RATING | 23.0 ROCKWELL B MINIMUM OVERALL AND 80.0 ROCKWELL B MAXIMUM OVERALL |
MATT | MATERIAL | STEEL OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | HEXAGON |
CQBC | MINIMUM TENSILE STRENGTH | 74000 POUNDS PER SQUARE INCH |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 STYLE AND 2 GRADE |
CMLP | THREAD QUANTITY PER INCH | 20 |
AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.428 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.750 INCHES MAXIMUM |