Part Number
Part Number:
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.
CAGE Information
Code |
Company |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
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 |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS 672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AAJD |
THREAD CLASS |
3A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AGAV |
END ITEM IDENTIFICATION |
F-16 |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
ANEE |
GRIP LENGTH |
0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
100 DEGRESS REDUCED FLUSH HEAD, HEAD OFFSET CRUCIFORM RECESS, 132 KSI SHEAR |
AAWU |
SINGLE SHEAR STRENGTH |
132000 POUNDS PER SQUARE INCH |
AASA |
THREAD LENGTH |
0.363 INCHES NOMINAL |
CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
FEAT |
SPECIAL FEATURES |
FINISH CADMIUM FLUOBORATE PLATE |
MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
AASB |
FASTENER LENGTH |
1.083 INCHES MINIMUM AND 1.143 INCHES MAXIMUM |
CMLP |
THREAD QUANTITY PER INCH |
32 |
SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
AASL |
HEAD DIAMETER |
0.228 INCHES MINIMUM AND 0.288 INCHES MAXIMUM |
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