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 |
| 16941 |
LONG-LOK FASTENERS CORPORATION |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 73197 |
HI-SHEAR CORPORATION |
| 98524 |
MONOGRAM AEROSPACE FASTENERS INC. |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 07851 |
NOR-CAL SUPPLY CO.INC. |
| 30902 |
F AND C SALES INC |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 53606 |
PLASTIC AND METAL PRODUCTS CORPORATI |
| 08938 |
AIR INDUSTRIES CO INC |
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 |
| MATT |
MATERIAL |
PLASTIC LOCKING FEATURE |
| AASL |
HEAD DIAMETER |
0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1184 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AAUM |
LOCKING FEATURE |
PELLET THREADS OR PATCH THREADS OR STRIP THREADS |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE FASTENER |
| AASU |
HEAD HEIGHT |
0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATT |
MATERIAL |
IRON ALLOY 660 FASTENER |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| ANEE |
GRIP LENGTH |
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
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