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 |
04348 |
LAWRENCE ENGINEERING AND SUPPLY INC |
30902 |
F AND C SALES INC |
82172 |
DURHAM AIRCRAFT SERVICE INC |
30889 |
ERIKS SOUTHWEST INC DBA MONTCLAIR EN |
80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
50568 |
APCOM INC |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
08938 |
AIR INDUSTRIES CO INC |
71563 |
COLLINS ENGINEERING CORP |
73197 |
HI-SHEAR CORPORATION |
07851 |
NOR-CAL SUPPLY CO.INC. |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
THSD |
THREAD SERIES DESIGNATOR |
UNJC |
CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
AAJD |
THREAD CLASS |
3A |
AASA |
THREAD LENGTH |
0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
AASB |
FASTENER LENGTH |
0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL |
AAUR |
GRIP DIAMETER |
0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
AASL |
HEAD DIAMETER |
0.280 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1202 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
CMLP |
THREAD QUANTITY PER INCH |
32 |
ANEE |
GRIP LENGTH |
0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
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