Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , HEXAGON HEAD
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; AND SCREW, CAP, SOCKET HEAD.
CAGE Information
| Code | Company |
|---|---|
| I9008 | INTERNATIONAL ORGANIZATION FOR STAND |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 113784 POUNDS PER SQUARE INCH |
| AASB | FASTENER LENGTH | 50.00 MILLIMETERS NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 13.0 MILLIMETERS NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| MATT | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.25 |
| AASA | THREAD LENGTH | 28.0 MILLIMETERS MINIMUM AND 50.0 MILLIMETERS MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| THSD | THREAD SERIES DESIGNATOR | M |
| AASU | HEAD HEIGHT | 5.5 MILLIMETERS NOMINAL |
| CQFM | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM OVERALL AND 31.0 ROCKWELL C MAXIMUM OVERALL |