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 |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 97928 |
HUCK INTL INC |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 73197 |
HI-SHEAR CORPORATION |
| 26512 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| L4528 |
LISI AEROSPACE CANADA CORP |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CRHC |
HOLE CONFIGURATION STYLE |
ROUND LONGITUDINAL HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNJC |
| AAUB |
HOLE DIAMETER |
0.037 INCHES NOMINAL |
| FEAT |
SPECIAL FEATURES |
DRY FILM LUBRICANT |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AASA |
THREAD LENGTH |
0.323 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.312 INCHES NOMINAL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| AASL |
HEAD DIAMETER |
0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| ZZZK |
SPECIFICATION/STANDARD DATA |
26512-GB511J PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASU |
HEAD HEIGHT |
0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| ASXK |
HOLE QUANTITY |
1 |
| AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| MATT |
MATERIAL |
TITANIUM ALLOY UNS R54520 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| BQDM |
HOLE TYPE |
DRILLED |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASK |
HEAD STYLE |
PAN |
| AASB |
FASTENER LENGTH |
0.635 INCHES MINIMUM AND 0.682 INCHES MAXIMUM |
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