NIIN Output Data
NIIN:
NSN:
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 |
73197 |
HI-SHEAR CORPORATION |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
50568 |
APCOM INC |
30902 |
F AND C SALES INC |
L4528 |
LISI AEROSPACE CANADA CORP |
08938 |
AIR INDUSTRIES CO INC |
07851 |
NOR-CAL SUPPLY CO.INC. |
80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
53606 |
PLASTIC AND METAL PRODUCTS CORPORATI |
97928 |
HUCK INTL INC |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
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 |
ANEE |
GRIP LENGTH |
0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
AASK |
HEAD STYLE |
MODIFIED PAN |
AASA |
THREAD LENGTH |
0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
AAJD |
THREAD CLASS |
3A |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AASB |
FASTENER LENGTH |
0.489 INCHES MINIMUM AND 0.519 INCHES MAXIMUM |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1144 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
AASL |
HEAD DIAMETER |
0.464 INCHES MINIMUM AND 0.493 INCHES MAXIMUM |
AASU |
HEAD HEIGHT |
0.133 INCHES MINIMUM AND 0.150 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) |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
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