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Part Number:
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.

CAGE Information

Code Company
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CYBH BEARING SURFACE OF HEAD SURFACE FINISH 63.0 MICROINCHES
THSD THREAD SERIES DESIGNATOR UNJC
AASL HEAD DIAMETER 0.195 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
AASA THREAD LENGTH 0.544 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
CYAU SCREW MATERIAL IRON ALLOY 660
AASU HEAD HEIGHT 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
CYBA SCREW SURFACE TREATMENT PASSIVATE
AAUM LOCKING FEATURE PATCH
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.112 INCHES
AASB FASTENER LENGTH 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
CYBE SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE
AASK HEAD STYLE PAN
CMLP THREAD QUANTITY PER INCH 40

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