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 |
| 06424 |
ALLIANT TECHSYSTEMS INC. DIV DEFENSE |
| 49956 |
RAYTHEON COMPANY DBA RAYTHEON |
| 31550 |
ITT CORPORATION DBA ITT COMMUNICATIO |
| 3B150 |
RAYTHEON TECHNICAL SERVICES COMPANY |
| D9182 |
BOSCH REXROTH GMBH LOHMANN STOLTERFO |
| 93346 |
SENSOR AND ANTENNA SYSTEMS, LANSDALE |
| 94117 |
BAE SYSTEMS INFORMATION AND ELECTRON |
| 28528 |
ITT INDUSTRIES INC ITT AEROSPACE COM |
| 18876 |
U S ARMY AVIATION AND MISSILE COMMAN |
| 94144 |
RAYTHEON COMPANY DBA RAYTHEON |
| 1YGB8 |
CAREY MANUFACTURING COMPANY INC. DBA |
| 80249 |
BAE SYSTEMS INFORMATION AND ELECTRON |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASK |
HEAD STYLE |
KNURLED NO. 4 |
| CQHQ |
MINIMUM YIELD STRENGTH |
45000 POUNDS PER SQUARE INCH |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNEF |
| AAWK |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER |
0.750 INCHES NOMINAL |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASL |
HEAD DIAMETER |
0.312 INCHES NOMINAL |
| AAWL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER |
0.812 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.312 INCHES NOMINAL |
| AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
0.656 INCHES NOMINAL |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.125 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM |
| AAWE |
THIRD DIAMETER FROM HEAD |
0.125 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
2A |
| AAWD |
SECOND DIAMETER FROM HEAD |
0.250 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.062 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.406 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AAWF |
FOURTH DIAMETER FROM HEAD |
0.250 INCHES NOMINAL |
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