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 |
AAUR |
GRIP DIAMETER |
0.1370 INCHES MINIMUM AND 0.1375 INCHES MAXIMUM |
AASA |
THREAD LENGTH |
0.276 INCHES NOMINAL |
AASU |
HEAD HEIGHT |
0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
AASL |
HEAD DIAMETER |
0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AAJD |
THREAD CLASS |
3A |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5371 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
ABQJ |
POINT STYLE |
FLAT |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
ANEE |
GRIP LENGTH |
0.438 INCHES NOMINAL |
MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
AAVA |
POINT DIAMETER |
0.1315 INCHES MINIMUM AND 0.1340 INCHES MAXIMUM |
AASB |
FASTENER LENGTH |
0.714 INCHES NOMINAL |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
CMLP |
THREAD QUANTITY PER INCH |
32 |
AHYM |
NOMINAL THREAD DIAMETER |
0.137 INCHES |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
AASK |
HEAD STYLE |
PAN |
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