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 |
04348 |
LAWRENCE ENGINEERING AND SUPPLY INC |
07851 |
NOR-CAL SUPPLY CO.INC. |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
73197 |
HI-SHEAR CORPORATION |
L4528 |
LISI AEROSPACE CANADA CORP |
50568 |
APCOM INC |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
97928 |
HUCK INTL INC |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
08938 |
AIR INDUSTRIES CO INC |
30485 |
QUALIFIED AIR COMPONENTS INC. |
30902 |
F AND C SALES INC |
53606 |
PLASTIC AND METAL PRODUCTS CORPORATI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
AASU |
HEAD HEIGHT |
0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJC |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
AAJD |
THREAD CLASS |
3A |
AASA |
THREAD LENGTH |
0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
AASK |
HEAD STYLE |
FLAT CHAMFER |
MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
AAUR |
GRIP DIAMETER |
0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
AASB |
FASTENER LENGTH |
1.073 INCHES MINIMUM AND 1.103 INCHES MAXIMUM |
ANEE |
GRIP LENGTH |
0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1122 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
AASL |
HEAD DIAMETER |
0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
CQFM |
HARDNESS RATING |
279.0 BRINELL STANDARD MINIMUM OVERALL AND 362.0 BRINELL STANDARD MAXIMUM OVERALL |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
CMLP |
THREAD QUANTITY PER INCH |
32 |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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