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 |
06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
81755 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AASL |
HEAD DIAMETER |
0.325 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
AASB |
FASTENER LENGTH |
0.683 INCHES MINIMUM AND 0.713 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AAJD |
THREAD CLASS |
3A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
AASA |
THREAD LENGTH |
0.298 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM OVERALL AND 49.0 ROCKWELL C MAXIMUM OVERALL |
MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
CMLP |
THREAD QUANTITY PER INCH |
32 |
ANEE |
GRIP LENGTH |
0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
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