National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , EXTERNALLY RELIEVED BODY
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES UNDERCUT FOR THREAD RELIEF). IT IS NO. 0 (0.060 IN.) (1.5 MM) OR LARGER, AND IS DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND 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. SEE ALSO BOLT, EXTERNALLY RELIEVED BODY AND BOLT, INTERNAL WRENCHING.
Reference/Part Number
CAGE Information
| Code |
Company |
| 05716 |
RAYTHEON COMPANY DBA RAYTHEON |
| 3B150 |
RAYTHEON TECHNICAL SERVICES COMPANY |
| 49956 |
RAYTHEON COMPANY DBA RAYTHEON |
| 18876 |
U S ARMY AVIATION AND MISSILE COMMAN |
| 1YGB8 |
CAREY MANUFACTURING COMPANY INC. DBA |
| 06540 |
NEW HAVEN MFG CORP AMATOM ELECTRONIC |
| D9182 |
BOSCH REXROTH GMBH LOHMANN STOLTERFO |
| 0B9Z1 |
ELECTRONIC HARDWARE CORP PANEL PRODU |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AAUY |
POINT LENGTH |
0.187 INCHES NOMINAL |
| AASK |
HEAD STYLE |
KNURLED NO. 4 |
| AASU |
HEAD HEIGHT |
0.562 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.312 INCHES NOMINAL |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| AAVA |
POINT DIAMETER |
0.175 INCHES NOMINAL |
| ABQJ |
POINT STYLE |
CONE |
| CWDK |
POINT CHAMFER ANGLE |
90.0 DEGREES NOMINAL |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AASL |
HEAD DIAMETER |
0.500 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.500 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.175 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.000 INCHES NOMINAL |
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