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 |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 80378 |
TRIUMPH AEROSTRUCTURES, LLC DBA TRIU |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 97928 |
HUCK INTL INC |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASA |
THREAD LENGTH |
0.427 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.720 INCHES MINIMUM AND 0.754 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.097 INCHES MINIMUM FIRST HOLE AND 0.117 INCHES MAXIMUM FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASB |
FASTENER LENGTH |
1.624 INCHES MINIMUM AND 1.671 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.485 INCHES MINIMUM FIRST HOLE AND 1.564 INCHES MAXIMUM FIRST HOLE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| CRSQ |
COUNTERSINK ANGLE |
99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
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