National Stock Number (NSN) Output Data
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.
Reference/Part Number
CAGE Information
| Code |
Company |
| 43999 |
BOEING COMPANY THE DBA BOEING DIV DE |
| 81348 |
FEDERAL SPECIFICATIONS PROMULGATED B |
| 88044 |
AERONAUTICAL STANDARDS GROUP DEPT OF |
| 98897 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CYBE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE |
| AASL |
HEAD DIAMETER |
0.425 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.118 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
BUTTON |
| CYAU |
SCREW MATERIAL |
STEEL OR STEEL COMP 1010 |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
2A |
| AASA |
THREAD LENGTH |
0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
55000 POUNDS PER SQUARE INCH |
| CYBA |
SCREW SURFACE TREATMENT |
CADMIUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASB |
FASTENER LENGTH |
0.375 INCHES NOMINAL |
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