NIIN Output Data
NIIN:
NSN:
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 |
28527 |
ITT CORPORATION |
51506 |
ACCURATE SCREWMACHINE CORPORATION DB |
96906 |
MILITARY STANDARDS PROMULGATED BY MI |
81348 |
FEDERAL SPECIFICATIONS PROMULGATED B |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
MATT |
MATERIAL |
STEEL COMP 302 OVERALL OR STEEL COMP 303CU OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 385 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 303MA OVERALL |
AASU |
HEAD HEIGHT |
0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
AASL |
HEAD DIAMETER |
0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
AASB |
FASTENER LENGTH |
0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.432 INCHES MINIMUM AND 0.483 INCHES MAXIMUM |
CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
ZZZT |
NONDEFINITIVE SPEC/STD DATA |
3 TYPE AND 9C STYLE |
AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
THSD |
THREAD SERIES DESIGNATOR |
UNC |
AAJD |
THREAD CLASS |
2A |
AASA |
THREAD LENGTH |
0.267 INCHES MINIMUM AND 0.287 INCHES MAXIMUM |
AAWC |
FIRST DIAMETER FROM HEAD |
0.114 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
CMLP |
THREAD QUANTITY PER INCH |
32 |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
AASK |
HEAD STYLE |
PAN |
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