National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.
Reference/Part Number
Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
91802A540 |
3A054 |
A |
3 |
2 |
A |
ZZ |
|
|
CAGE Information
Code |
Company |
3A054 |
MC MASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.477 INCHES NOMINAL |
AASA |
THREAD LENGTH |
0.518 INCHES NOMINAL |
AASB |
FASTENER LENGTH |
0.750 INCHES NOMINAL |
CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
18-8 STAINLESS STEEL PHILLIPS OVAL HEAD MACHINE SCREW |
FEAT |
SPECIAL FEATURES |
USE A COUNTERSINK TO CREATE A RECESS. THE BODY DIAMETER OF YOUR COUNTERSINK SHOULD BE EQUAL TO OR LARGER THAN YOUR SCREWS HEAD DIA AND ITS INCLUDED ANGLE SHOULD MATCH YOUR SCREWS HEAD ANGLE. HEAD ANGLE IS 82 DEGREES |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
AASK |
HEAD STYLE |
OVAL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE III |
THSD |
THREAD SERIES DESIGNATOR |
UNC |
AAJD |
THREAD CLASS |
2A |
CYAU |
SCREW MATERIAL |
STEEL COMP 302 AND STEEL |
CMLP |
THREAD QUANTITY PER INCH |
20 |
AASU |
HEAD HEIGHT |
0.232 INCHES NOMINAL |
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