National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
| NAS4502U4 |
80205 |
A |
3 |
2 |
4 |
9Z |
|
|
CAGE Information
| Code |
Company |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| THSD |
THREAD SERIES DESIGNATOR |
UNJC |
| AASA |
THREAD LENGTH |
0.323 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| ABQZ |
INTERNAL DRIVE STYLE |
TRI-WING RECESS |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| AASB |
FASTENER LENGTH |
0.558 INCHES MINIMUM AND 0.588 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.296 INCHES MINIMUM AND 0.331 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS4502 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| ANEE |
GRIP LENGTH |
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
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