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
CAGE Information
Code |
Company |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
76301 |
BOEING COMPANY THE DBA BOEING |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
50392 |
SPS TECHNOLOGIES INC |
C4293 |
ALCOA FASTENING SYSTEMS FAIRCHILD FA |
L4528 |
LISI AEROSPACE CANADA CORP |
97928 |
HUCK INTL INC |
R1120 |
SATAIR A/S |
73197 |
HI-SHEAR CORPORATION |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
AASA |
THREAD LENGTH |
0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AAJD |
THREAD CLASS |
3A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
ZZZK |
SPECIFICATION/STANDARD DATA |
08524-B-19021 MANUFACTURERS STANDARD |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
AASB |
FASTENER LENGTH |
0.754 INCHES MINIMUM AND 0.784 INCHES MAXIMUM |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
MATT |
MATERIAL |
STEEL OVERALL |
ANEE |
GRIP LENGTH |
0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
AASL |
HEAD DIAMETER |
0.266 INCHES MINIMUM AND 0.303 INCHES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
23-112,76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
AAUR |
GRIP DIAMETER |
0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
CMLP |
THREAD QUANTITY PER INCH |
32 |
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,
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