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 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASU |
HEAD HEIGHT |
0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| CYBA |
SCREW SURFACE TREATMENT |
PASSIVATE |
| AASL |
HEAD DIAMETER |
0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CYAU |
SCREW MATERIAL |
STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 304L OR STEEL COMP 304 OR STEEL COMP 321 OR STEEL COMP 302 OR STEEL COMP 347 |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC ALL MATERIAL RESPONSES |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASA |
THREAD LENGTH |
0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| FEAT |
SPECIAL FEATURES |
100000 PSI MIN TS OF MATERIAL |
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