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 |
80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
07851 |
NOR-CAL SUPPLY CO.INC. |
80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
30902 |
F AND C SALES INC |
50568 |
APCOM INC |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
08938 |
AIR INDUSTRIES CO INC |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
97928 |
HUCK INTL INC |
73197 |
HI-SHEAR CORPORATION |
L4528 |
LISI AEROSPACE CANADA CORP |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
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 |
AASB |
FASTENER LENGTH |
0.511 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
ANEE |
GRIP LENGTH |
0.250 INCHES NOMINAL |
THSD |
THREAD SERIES DESIGNATOR |
UNJC |
AASU |
HEAD HEIGHT |
0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
-A0110-006 FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1132 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
AASA |
THREAD LENGTH |
0.276 INCHES MINIMUM |
AAJD |
THREAD CLASS |
3A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
AAUR |
GRIP DIAMETER |
0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
AASL |
HEAD DIAMETER |
0.298 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
CQBC |
MINIMUM TENSILE STRENGTH |
140000 POUNDS PER SQUARE INCH |
ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CMLP |
THREAD QUANTITY PER INCH |
32 |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
CQFM |
HARDNESS RATING |
248.0 BRINELL STANDARD MINIMUM OVERALL AND 321.0 BRINELL STANDARD MAXIMUM OVERALL |
AASK |
HEAD STYLE |
PAN |
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