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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
ANSIB18-6-3CRES2-56X3-16NCBIND 80204 A 3 2 4 9Z
2-56NCX3-16LGASAB18-6-3BINDHD 80204 A 3 2 4 9Z

CAGE Information

Code Company
80204 AMERICAN NATIONAL STANDARDS INSTITUT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASU HEAD HEIGHT 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.086 INCHES
AASL HEAD DIAMETER 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AASK HEAD STYLE BINDING
CYBA SCREW SURFACE TREATMENT PASSIVATE
AAJF THREAD DIRECTION RIGHT-HAND
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
ZZZK SPECIFICATION/STANDARD DATA 80204-ANSI B18.6.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CMLP THREAD QUANTITY PER INCH 56
AASA THREAD LENGTH 0.188 INCHES MAXIMUM
AASB FASTENER LENGTH 0.188 INCHES NOMINAL
CYAU SCREW MATERIAL STEEL CORROSION RESISTING

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