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 |
---|---|
0HDW7 | HUCK INTERNATIONAL INC. DBA ALCOA FA |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
AATN | SHOULDER DIAMETER | 0.245 INCHES MINIMUM FIRST SHOULDER AND 0.255 INCHES MAXIMUM FIRST SHOULDER |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AAJF | THREAD DIRECTION | RIGHT-HAND |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5735,5736,OR5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AASU | HEAD HEIGHT | 0.187 INCHES NOMINAL |
AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNF |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | HEXAGON |
ASDB | WIDTH ACROSS FLATS | 0.157 INCHES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
AATX | SHOULDER LENGTH | 0.195 INCHES MINIMUM FIRST SHOULDER AND 0.225 INCHES MAXIMUM FIRST SHOULDER |
AATB | WIDTH BETWEEN FLATS | 0.309 INCHES NOMINAL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 32 |
AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |