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 |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
K5673 |
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
73197 |
HI-SHEAR CORPORATION |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
60516 |
WEST COAST AEROSPACE INC |
97928 |
HUCK INTL INC |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
L4528 |
LISI AEROSPACE CANADA CORP |
0PTK6 |
SPS TECHNOLOGIES INC |
76301 |
BOEING COMPANY THE DBA BOEING |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.297 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
AASA |
THREAD LENGTH |
0.375 INCHES NOMINAL |
AASB |
FASTENER LENGTH |
0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
AAJD |
THREAD CLASS |
3A |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
ANEE |
GRIP LENGTH |
0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
AAUR |
GRIP DIAMETER |
0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
CMLP |
THREAD QUANTITY PER INCH |
32 |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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