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 |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 97928 |
HUCK INTL INC |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 73197 |
HI-SHEAR CORPORATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASA |
THREAD LENGTH |
0.578 INCHES NOMINAL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| AAUR |
GRIP DIAMETER |
0.364 INCHES MINIMUM AND 0.368 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| ANEE |
GRIP LENGTH |
4.115 INCHES MINIMUM AND 4.135 INCHES MAXIMUM |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
4.476 INCHES MINIMUM AND 4.506 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| AASL |
HEAD DIAMETER |
0.704 INCHES MINIMUM AND 0.762 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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