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 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-6049 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
0.323 INCHES NOMINAL |
| ANEE |
GRIP LENGTH |
0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS4703-3 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| 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 |
| AAUR |
GRIP DIAMETER |
0.1881 INCHES MINIMUM AND 0.1887 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
TRI-WING RECESS |
| AASU |
HEAD HEIGHT |
0.040 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 11,CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
0.496 INCHES MINIMUM AND 0.526 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.303 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
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