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 |
19200 |
U S ARMY ARMAMENT RESEARCH & DEVELOP |
81348 |
FEDERAL SPECIFICATIONS PROMULGATED B |
80063 |
US ARMY COMMUNICATIONS & ELECTRONICS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
AASL |
HEAD DIAMETER |
0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
AASA |
THREAD LENGTH |
0.083 INCHES MINIMUM |
MATT |
MATERIAL |
STEEL COMP 1020 OVERALL |
AASB |
FASTENER LENGTH |
0.113 INCHES NOMINAL |
AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.030 INCHES NOMINAL |
CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A108 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
FLAT CHAMFER |
AASU |
HEAD HEIGHT |
0.125 INCHES NOMINAL |
THSD |
THREAD SERIES DESIGNATOR |
UNF |
CMLP |
THREAD QUANTITY PER INCH |
44 |
AAWC |
FIRST DIAMETER FROM HEAD |
0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
AAJD |
THREAD CLASS |
2A |
AHYM |
NOMINAL THREAD DIAMETER |
0.125 INCHES |
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