NIIN Output Data
NIIN:
NSN:
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
CAGE Information
Code |
Company |
06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
73197 |
HI-SHEAR CORPORATION |
L4528 |
LISI AEROSPACE CANADA CORP |
98897 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
ANEE |
GRIP LENGTH |
0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM |
AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
MATT |
MATERIAL |
STEEL COMP 6150 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
AASL |
HEAD DIAMETER |
0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM |
CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
AASB |
FASTENER LENGTH |
1.198 INCHES MINIMUM AND 1.245 INCHES MAXIMUM |
AAJD |
THREAD CLASS |
3A |
AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
THSD |
THREAD SERIES DESIGNATOR |
UNF |
AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
CMLP |
THREAD QUANTITY PER INCH |
32 |
SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
Similar Parts
HT8039-3-15 ,
HT8039315 ,
5305-00-450-4562 ,
5305004504562 ,
004504562
,
HT8039-3-15 ,
HT184-3-15 ,
HT184-3-15 ,
STSBA002-3-15 ,
HT8039-3-15 ,