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 |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 73197 |
HI-SHEAR CORPORATION |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 81755 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 93907 |
TEXTRON FASTENING SYSTEMS DBA DECORA |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CRSQ |
COUNTERSINK ANGLE |
59.75 DEGREES MINIMUM AND 60.25 DEGREES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| AASB |
FASTENER LENGTH |
1.245 INCHES MINIMUM AND 1.275 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.531 INCHES MINIMUM AND 0.558 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
NICKEL OVERALL AND CADMIUM OVERALL |
| FEAT |
SPECIAL FEATURES |
BEARING SURFACE OF HEAD GROOVED TO 0.394 IN. MIN,0.396 IN. MAX DIA,0.092 IN. MIN,0.097 IN. MAX FROM TOP OF HEAD |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
0.423 INCHES MINIMUM AND 0.473 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| ANEE |
GRIP LENGTH |
0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
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