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, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.
CAGE Information
Code | Company |
---|---|
70318 | ALLMETAL SCREW PRODUCTS CORP DBA ALL |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CYAU | SCREW MATERIAL | STEEL COMP 1015 |
CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA108 ASSN STD 1ST MATERIAL RESPONSE |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
THSD | THREAD SERIES DESIGNATOR | UNC |
AASK | HEAD STYLE | HEXAGON |
AASB | FASTENER LENGTH | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTMB633,SC3,TYPE1 ASSN STD 1ST TREATMENT RESPONSE |
CMLP | THREAD QUANTITY PER INCH | 20 |
CYBA | SCREW SURFACE TREATMENT | ZINC |
AASU | HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |