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 |
| 96906 |
MILITARY STANDARDS PROMULGATED BY MI |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CYBA |
SCREW SURFACE TREATMENT |
ZINC AND CADMIUM AND CHROMATE OR CHROMATE |
| CYBA |
SCREW SURFACE TREATMENT |
ZINC AND CADMIUM AND CHROMATE OR CHROMATE |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASL |
HEAD DIAMETER |
0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASB |
FASTENER LENGTH |
0.625 INCHES NOMINAL |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 9S STYLE |
| CYAU |
SCREW MATERIAL |
STEEL COMP 1025 OR STEEL COMP 1527 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1038 OR STEEL COMP 1524 OR STEEL COMP 1021 OR STEEL COMP 1020 OR STEEL COMP 1019 OR STEEL COMP 1018 OR STEEL COMP 1017 OR STEEL COMP 1016 OR STEEL COMP 1015 OR STEEL COMP 1013 OR STEEL COMP 1541 OR STEEL COMP 1040 OR STEEL COMP 1109 OR STEEL COMP 1108 OR STEEL COMP 1110 |
| AASA |
THREAD LENGTH |
0.625 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-633 EXCEPT BESSEMER COMP. FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-409 GRADE 2,3 OR 4 FED SPEC SINGLE MATERIAL RESPONSE |
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