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 |
| 43999 |
BOEING COMPANY THE DBA BOEING DIV DE |
| 97928 |
HUCK INTL INC |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| AASL |
HEAD DIAMETER |
0.297 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| MATT |
MATERIAL |
TITANIUM ALLOY UNS R56400 OVERALL |
| AASA |
THREAD LENGTH |
0.323 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| ABQZ |
INTERNAL DRIVE STYLE |
TORQUE-SET RIBBED |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CBBL |
FEATURES PROVIDED |
DRY FILM LUBRICANT |
| AASK |
HEAD STYLE |
OVAL COUNTERSUNK |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 4929 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.073 INCHES MINIMUM AND 1.103 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
95000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| ANEE |
GRIP LENGTH |
0.750 INCHES NOMINAL |
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