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 |
---|---|
06950 | ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
AATN | SHOULDER DIAMETER | 0.2021 INCHES MINIMUM FIRST SHOULDER AND 0.2026 INCHES MAXIMUM FIRST SHOULDER |
THSD | THREAD SERIES DESIGNATOR | UNJF |
AASL | HEAD DIAMETER | 0.377 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
FEAT | SPECIAL FEATURES | FURNISHED WITH ONE RUBBER O RING |
AAJD | THREAD CLASS | 3A |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AASU | HEAD HEIGHT | 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
AATX | SHOULDER LENGTH | 0.387 INCHES MINIMUM FIRST SHOULDER AND 0.409 INCHES MAXIMUM FIRST SHOULDER |
ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
AASA | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
AASB | FASTENER LENGTH | 0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 32 |