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 |
| 18876 |
U S ARMY AVIATION AND MISSILE COMMAN |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASK |
HEAD STYLE |
FILLISTER |
| CYBG |
HEAD HOLE CONFIGURATION STYLE |
ROUND |
| CYBA |
SCREW SURFACE TREATMENT |
PASSIVATE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| CYAU |
SCREW MATERIAL |
STEEL COMP 303SE OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316L |
| ASXK |
HOLE QUANTITY |
1 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASA |
THREAD LENGTH |
0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AAUB |
HOLE DIAMETER |
0.046 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASL |
HEAD DIAMETER |
0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
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