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 |
| 06710 |
VALLEY-TODECO INC. |
| 1VSL7 |
HOUSTON PRECISION FASTENER L.L.C. |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| C4293 |
ALCOA FASTENING SYSTEMS FAIRCHILD FA |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 60516 |
WEST COAST AEROSPACE INC |
| 73197 |
HI-SHEAR CORPORATION |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| 1EM77 |
B & B SPECIALTIES INC. DBA G S AEROS |
| 0ZC92 |
HEARTLAND PRECISION FASTENERS INC. |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 0PTK6 |
SPS TECHNOLOGIES INC |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 59563 |
REID PRODUCTS INC. |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASL |
HEAD DIAMETER |
0.4970 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM |
| MATT |
MATERIAL |
TITANIUM ALLOY UNS R56400 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| ABQZ |
INTERNAL DRIVE STYLE |
TORX |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CWDK |
POINT CHAMFER ANGLE |
0.45 DEGREES NOMINAL |
| ABQJ |
POINT STYLE |
FLAT |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AASA |
THREAD LENGTH |
0.425 INCHES NOMINAL |
| ANEE |
GRIP LENGTH |
1.150 INCHES MINIMUM AND 1.170 INCHES MAXIMUM |
| AAUY |
POINT LENGTH |
0.045 INCHES MINIMUM |
| AAUR |
GRIP DIAMETER |
0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
1.570 INCHES MINIMUM AND 1.600 INCHES MAXIMUM |
| CRSQ |
COUNTERSINK ANGLE |
0.99 DEGREES MINIMUM AND 1.010 DEGREES MAXIMUM |
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