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 |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| 1EM77 |
B & B SPECIALTIES INC. DBA G S AEROS |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 0PTK6 |
SPS TECHNOLOGIES INC |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 0ZC92 |
HEARTLAND PRECISION FASTENERS INC. |
| 73197 |
HI-SHEAR CORPORATION |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 60516 |
WEST COAST AEROSPACE INC |
| C4293 |
ALCOA FASTENING SYSTEMS FAIRCHILD FA |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT, 100 DEGREE TENSION HEAD, GEAR DRIVE RECESS |
| AASB |
FASTENER LENGTH |
0.8475 INCHES MINIMUM AND 0.8775 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAUJ |
SPLINE MAJOR DIAMETER |
0.2195 INCHES MINIMUM AND 0.2225 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| ABQZ |
INTERNAL DRIVE STYLE |
TORX |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ANEE |
GRIP LENGTH |
0.4275 INCHES MINIMUM AND 0.4475 INCHES MAXIMUM |
| ABQJ |
POINT STYLE |
FLAT |
| AHYM |
NOMINAL THREAD DIAMETER |
0.2500 INCHES |
| AAUH |
SPLINE MINOR DIAMETER |
0.1570 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AGAV |
END ITEM IDENTIFICATION |
F18 E/F |
| AASA |
THREAD LENGTH |
0.425 INCHES NOMINAL |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
AGAV |
| AAUR |
GRIP DIAMETER |
0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| MATT |
MATERIAL |
NICKEL ALLOY 718 OVERALL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASL |
HEAD DIAMETER |
0.470 INCHES MINIMUM AND 0.477 INCHES MAXIMUM |
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