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 |
| 1RC86 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 73197 |
HI-SHEAR CORPORATION |
| 60516 |
WEST COAST AEROSPACE INC |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 76301 |
BOEING COMPANY THE DBA BOEING |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASL |
HEAD DIAMETER |
0.510 INCHES NOMINAL |
| AAUR |
GRIP DIAMETER |
0.374 INCHES NOMINAL |
| ANEE |
GRIP LENGTH |
0.875 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.641 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AGAV |
END ITEM IDENTIFICATION |
AIRCRAFT, F-15 |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW, CLOSE TOLERANCE |
| AASB |
FASTENER LENGTH |
1.516 INCHES NOMINAL |
| MATT |
MATERIAL |
NICKEL ALLOY 718 OVERALL |
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