Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CLOSE TOLERANCE
Definition:
A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
CAGE Information
| Code |
Company |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416A,TY 11,CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASL |
HEAD DIAMETER |
0.331 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJC |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6049 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-5000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWU |
SINGLE SHEAR STRENGTH |
95000 POUNDS PER SQUARE INCH |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| MATT |
MATERIAL |
STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
| AASA |
THREAD LENGTH |
0.223 INCHES NOMINAL |
| ABQZ |
INTERNAL DRIVE STYLE |
TRI-WING RECESS |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAUR |
GRIP DIAMETER |
0.1621 INCHES MINIMUM AND 0.1627 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS4402-6 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| AASB |
FASTENER LENGTH |
0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| ANEE |
GRIP LENGTH |
0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.072 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
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