Part Number
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
CAGE Information
Code | Company |
---|---|
39428 | MCMASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AATN | SHOULDER DIAMETER | 0.621 INCHES MINIMUM FIRST SHOULDER AND 0.627 INCHES MAXIMUM FIRST SHOULDER |
ASDB | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
AATX | SHOULDER LENGTH | 3.245 INCHES MINIMUM FIRST SHOULDER AND 3.255 INCHES MAXIMUM FIRST SHOULDER |
CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM FASTENER AND 43.0 ROCKWELL C MAXIMUM FASTENER |
AAJD | THREAD CLASS | 3A |
AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT CHAMFER |
AASB | FASTENER LENGTH | 4.000 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNC |
CQBC | MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
AASA | THREAD LENGTH | 0.750 INCHES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
MATT | MATERIAL | STEEL UNS K03104 OVERALL |
AASL | HEAD DIAMETER | 0.875 INCHES NOMINAL |
AGAV | END ITEM IDENTIFICATION | 2350-01-405-9886 |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574, HT ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 13 |