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 |
|---|---|
| 15526 | METRIC AND MULTISTANDARD COMPONENTS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 21.50 MILLIMETERS MINIMUM AND 21.75 MILLIMETERS MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 1, CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ASDB | WIDTH ACROSS FLATS | 3.0 MILLIMETERS NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| CQQR | THREAD PITCH IN MILLIMETERS | 0.8 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CQBC | MINIMUM TENSILE STRENGTH | 1100 MEGAPASCALS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATN | SHOULDER DIAMETER | 5.982 MILLIMETERS MINIMUM FIRST SHOULDER AND 6.000 MILLIMETERS MAXIMUM FIRST SHOULDER |
| AASK | HEAD STYLE | FLAT CHAMFER |
| MATT | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| AATX | SHOULDER LENGTH | 12.00 MILLIMETERS MINIMUM FIRST SHOULDER AND 12.25 MILLIMETERS MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AASA | THREAD LENGTH | 9.5 MILLIMETERS NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | M |
| AASL | HEAD DIAMETER | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AASU | HEAD HEIGHT | 4.32 MILLIMETERS MINIMUM AND 4.50 MILLIMETERS MAXIMUM |