Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.
CAGE Information
| Code |
Company |
| 21450 |
ARMY WEAPONS COMMAND ATTN AMSWE-REE- |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASK |
HEAD STYLE |
FILLISTER |
| AASB |
FASTENER LENGTH |
1.375 INCHES MINIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| CYAU |
SCREW MATERIAL |
STEEL COMP 1016 OR STEEL COMP 1010 OR STEEL COMP 1013 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1019 OR STEEL COMP 1018 OR STEEL COMP 1017 OR STEEL COMP 1020 |
| CYBA |
SCREW SURFACE TREATMENT |
DICHROMATE ZINC |
| AASA |
THREAD LENGTH |
1.375 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
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