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 |
|---|---|
| I9006 | COMITE EUROPEEN DE NORMALISATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQQR | THREAD PITCH IN MILLIMETERS | 2.5 |
| AASA | THREAD LENGTH | 37.0 MILLIMETERS MINIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS |
| AASB | FASTENER LENGTH | 44.5 MILLIMETERS MINIMUM AND 45.5 MILLIMETERS MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-1 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| AASU | HEAD HEIGHT | 12.5 MILLIMETERS NOMINAL |
| MATT | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 29.16 MILLIMETERS MINIMUM AND 29.67 MILLIMETERS MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | M |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO 4042 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |