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 |
---|---|
02064 | MJT HOLDINGS LLC DBA AMERICAN DRILL |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
SFTT | SURFACE TREATMENT | OXIDE OVERALL |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AASL | HEAD DIAMETER | 0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
AASB | FASTENER LENGTH | 0.801 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
ASDB | WIDTH ACROSS FLATS | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
AASK | HEAD STYLE | FLAT CHAMFER |
AATN | SHOULDER DIAMETER | 0.311 INCHES MINIMUM FIRST SHOULDER AND 0.312 INCHES MAXIMUM FIRST SHOULDER |
AASU | HEAD HEIGHT | 0.202 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
AASA | THREAD LENGTH | 0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
MATT | MATERIAL | STEEL COMP 1137 OVERALL |
ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 20 |
AATX | SHOULDER LENGTH | 0.375 INCHES MINIMUM FIRST SHOULDER AND 0.380 INCHES MAXIMUM FIRST SHOULDER |