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 |
06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
0PTK6 |
SPS TECHNOLOGIES INC |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
97928 |
HUCK INTL INC |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
73197 |
HI-SHEAR CORPORATION |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
K5673 |
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS |
76301 |
BOEING COMPANY THE DBA BOEING |
L4528 |
LISI AEROSPACE CANADA CORP |
60516 |
WEST COAST AEROSPACE INC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
CMLP |
THREAD QUANTITY PER INCH |
24 |
AASL |
HEAD DIAMETER |
0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
AASB |
FASTENER LENGTH |
1.626 INCHES MINIMUM AND 1.656 INCHES MAXIMUM |
AAJD |
THREAD CLASS |
3A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AAUR |
GRIP DIAMETER |
0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
AASA |
THREAD LENGTH |
0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM |
ANEE |
GRIP LENGTH |
0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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