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 |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 81755 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AASL |
HEAD DIAMETER |
0.325 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.323 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS-6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ANEE |
GRIP LENGTH |
0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| AAWU |
SINGLE SHEAR STRENGTH |
132000 POUNDS PER SQUARE INCH |
| CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASB |
FASTENER LENGTH |
0.808 INCHES MINIMUM AND 0.838 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2041 INCHES MINIMUM AND 0.2051 INCHES MAXIMUM |
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