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 |
|---|---|
| 39428 | MCMASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | FILLISTER |
| AASU | HEAD HEIGHT | 0.160 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 0.125 INCHES NOMINAL OVERALL |
| AASB | FASTENER LENGTH | 0.125 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CWYB | SHOULDER SHAPE | ROUND OVERALL |
| AASA | THREAD LENGTH | 0.190 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 90 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL PROPERTY CLASS 18.8 OVERALL |
| AATN | SHOULDER DIAMETER | 0.187 INCHES NOMINAL OVERALL |
| AASL | HEAD DIAMETER | 0.313 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 65.0 ROCKWELL B NOMINAL OVERALL |