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 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASA | THREAD LENGTH | 33.5 MILLIMETERS MINIMUM |
| AATB | WIDTH BETWEEN FLATS | 23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 9.82 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM |
| AASB | FASTENER LENGTH | 39.5 MILLIMETERS MINIMUM AND 40.5 MILLIMETERS MAXIMUM |
| MATT | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| CQQR | THREAD PITCH IN MILLIMETERS | 2.0 |
| AASK | HEAD STYLE | HEXAGON |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO 4042 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | M |
| AHYM | NOMINAL THREAD DIAMETER | 16.0 MILLIMETERS |