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 |
| AASU |
HEAD HEIGHT |
0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJC |
| AASA |
THREAD LENGTH |
0.323 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| ABQZ |
INTERNAL DRIVE STYLE |
TRI-WING RECESS |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| ANEE |
GRIP LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| MATT |
MATERIAL |
TITANIUM ALLOY OVERALL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS5202 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAUR |
GRIP DIAMETER |
0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASB |
FASTENER LENGTH |
0.808 INCHES MINIMUM AND 0.838 INCHES MAXIMUM |
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