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 |
L4528 |
LISI AEROSPACE CANADA CORP |
06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
43999 |
BOEING COMPANY THE DBA BOEING DIV DE |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
73197 |
HI-SHEAR CORPORATION |
57928 |
SONIC INDUSTRIES INC. |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASA |
THREAD LENGTH |
0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AAJD |
THREAD CLASS |
3A |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASK |
HEAD STYLE |
OVAL COUNTERSUNK |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
AASL |
HEAD DIAMETER |
0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AAUR |
GRIP DIAMETER |
0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
AASB |
FASTENER LENGTH |
0.566 INCHES MINIMUM AND 0.596 INCHES MAXIMUM |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
ANEE |
GRIP LENGTH |
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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