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 |
---|---|---|
CMLP | THREAD QUANTITY PER INCH | 24 |
THSD | THREAD SERIES DESIGNATOR | UNJF |
AASB | FASTENER LENGTH | 0.826 INCHES MINIMUM AND 0.873 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3A |
AASA | THREAD LENGTH | 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
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 |
ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
AASL | HEAD DIAMETER | 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AATN | SHOULDER DIAMETER | 0.342 INCHES MINIMUM FIRST SHOULDER AND 0.343 INCHES MAXIMUM FIRST SHOULDER |
FEAT | SPECIAL FEATURES | INTERNAL HEXAGON SOCKET 0.127 IN. MIN AND 0.130 IN. MAX WIDTH ACROSS FLATS,0.160 IN. DEEP IN THREAD END |
AATX | SHOULDER LENGTH | 0.365 INCHES MINIMUM FIRST SHOULDER AND 0.385 INCHES MAXIMUM FIRST SHOULDER |