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 |
| 007R1 |
TWIST TITE MFG INC |
| C4293 |
ALCOA FASTENING SYSTEMS FAIRCHILD FA |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
| 73197 |
HI-SHEAR CORPORATION |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| 1V757 |
WESCO AIRCRAFT HARDWARE CORP. |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| R1120 |
SATAIR A/S |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 97928 |
HUCK INTL INC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| ANEE |
GRIP LENGTH |
0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 6150 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AHYM |
NOMINAL THREAD DIAMETER |
0.192 INCHES |
| AASL |
HEAD DIAMETER |
0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
0.703 INCHES MINIMUM AND 0.733 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS583 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASA |
THREAD LENGTH |
0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
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