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 |
---|---|
56387 | BRITISH AEROSPACE INC MILITARY SUPPO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 3.6 MILLIMETERS |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
AASB | FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | BA |
CQQR | THREAD PITCH IN MILLIMETERS | 0.6 |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | B.S.970 EN 56 SERIES OR EN 57 OR EN 58 SERIES FSCM 56387 ASSN STD SINGLE MATERIAL RESPONSE |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AASA | THREAD LENGTH | 0.602 INCHES MINIMUM AND 0.685 INCHES MAXIMUM |
AASL | HEAD DIAMETER | 0.242 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
CYAU | SCREW MATERIAL | STEEL CORROSION RESISTING |