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 |
60516 |
WEST COAST AEROSPACE INC |
L4528 |
LISI AEROSPACE CANADA CORP |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
73197 |
HI-SHEAR CORPORATION |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
76301 |
BOEING COMPANY THE DBA BOEING |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
CMLP |
THREAD QUANTITY PER INCH |
24 |
AASB |
FASTENER LENGTH |
1.156 INCHES NOMINAL |
FEAT |
SPECIAL FEATURES |
LUBRICANT- CETYL ALCOHOL |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5662 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
AAJD |
THREAD CLASS |
3A |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-DTL-83488 TY 2 CLS 3 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
SFTT |
SURFACE TREATMENT |
ALUMINUM OVERALL |
AASL |
HEAD DIAMETER |
0.429 INCHES NOMINAL |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
AAUR |
GRIP DIAMETER |
0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW-CLOSE TOLERANCE 100 DEG COUNTERSUNK REDUCED HEAD, HI-TORQUE, NON MAGNETIC CRES, IVD ALUMINUM COATED |
CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
ANEE |
GRIP LENGTH |
0.625 INCHES NOMINAL |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
MATT |
MATERIAL |
NICKEL ALLOY 718 OVERALL |
AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
AASA |
THREAD LENGTH |
0.531 INCHES NOMINAL |
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