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 |
NAS7304U13 |
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 |
UNJF |
AAUR |
GRIP DIAMETER |
0.2479 INCHES MINIMUM AND 0.2487 INCHES MAXIMUM |
AAJD |
THREAD CLASS |
3A |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
AASL |
HEAD DIAMETER |
0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE III |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
ANEE |
GRIP LENGTH |
0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
AASB |
FASTENER LENGTH |
1.222 INCHES MINIMUM AND 1.252 INCHES MAXIMUM |
AASA |
THREAD LENGTH |
0.425 INCHES NOMINAL |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS4928 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR AMS4967 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATT |
MATERIAL |
TITANIUM ALLOY OVERALL |
ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS7304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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