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 |
|---|---|
| K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 9.68 MILLIMETERS MINIMUM AND 10.32 MILLIMETERS MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM |
| AASA | THREAD LENGTH | 38.0 MILLIMETERS NOMINAL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| MATT | MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 60.0 MILLIMETERS NOMINAL |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6H |
| CQQR | THREAD PITCH IN MILLIMETERS | 2.0 |
| AASK | HEAD STYLE | HEXAGON |
| THSD | THREAD SERIES DESIGNATOR | M |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325, TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 16.0 MILLIMETERS |