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 |
---|---|
K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASU | HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
AASU | HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ST A5-V18 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
ABQZ | INTERNAL DRIVE STYLE | TORQUE |
AASA | THREAD LENGTH | 0.360 INCHES NOMINAL |
CQFM | HARDNESS RATING | 600.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 700.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT CHAMFER |
MATT | MATERIAL | STEEL OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |
AAJD | THREAD CLASS | 2A |
CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.390 INCHES NOMINAL FIRST HOLE |
CBBL | FEATURES PROVIDED | CASEHARDENED |
AASL | HEAD DIAMETER | 0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF. 29,CLASS 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
CMLP | THREAD QUANTITY PER INCH | 20 |
AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.104 INCHES MINIMUM FIRST HOLE AND 0.110 INCHES MAXIMUM FIRST HOLE |