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 |
|---|---|
| 40152 | VME AMERICAS INC SUB OF VME GROUP N |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.156 INCHES NOMINAL FIRST HOLE |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.156 INCHES NOMINAL FIRST HOLE |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.750 INCHES NOMINAL FIRST HOLE |
| AASB | FASTENER LENGTH | 5.500 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASA | THREAD LENGTH | 1.250 INCHES MINIMUM |
| CQFM | HARDNESS RATING | 12.0 ROCKWELL C MINIMUM OVERALL AND 24.0 ROCKWELL C MAXIMUM OVERALL |
| AASK | HEAD STYLE | HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 90000 POUNDS PER SQUARE INCH |