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 |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
C4293 |
ALCOA FASTENING SYSTEMS FAIRCHILD FA |
0ZC92 |
HEARTLAND PRECISION FASTENERS INC. |
60516 |
WEST COAST AEROSPACE INC |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
L4528 |
LISI AEROSPACE CANADA CORP |
73197 |
HI-SHEAR CORPORATION |
06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
76301 |
BOEING COMPANY THE DBA BOEING |
1EM77 |
B & B SPECIALTIES INC. DBA G S AEROS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT,100 DEGREE TENSION HEAD,GEAR DRIVE RECESS |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
AAUH |
SPLINE MINOR DIAMETER |
0.157 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
AGAV |
END ITEM IDENTIFICATION |
USED ON FA-18 E&F |
AAJD |
THREAD CLASS |
3A |
AAUJ |
SPLINE MAJOR DIAMETER |
0.220 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
ABQZ |
INTERNAL DRIVE STYLE |
TORX |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AAUR |
GRIP DIAMETER |
0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
AASB |
FASTENER LENGTH |
1.035 INCHES MINIMUM AND 1.065 INCHES MAXIMUM |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
ANEE |
GRIP LENGTH |
0.625 INCHES NOMINAL |
AASA |
THREAD LENGTH |
0.425 INCHES NOMINAL |
MATT |
MATERIAL |
TITANIUM ALLOY OVERALL |
AASU |
HEAD HEIGHT |
0.110 INCHES NOMINAL |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK UNDERCUT |
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