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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , SOCKET HEAD

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES SCREW, SHOULDER; AND SCREW, MACHINE.

CAGE Information

Code Company
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
CQHQ MINIMUM YIELD STRENGTH 155000 POUNDS PER SQUARE INCH
THSD THREAD SERIES DESIGNATOR UNRC
AASU HEAD HEIGHT 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AASB FASTENER LENGTH 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
CQFM HARDNESS RATING 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
MATT MATERIAL STEEL OVERALL
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FEAT SPECIAL FEATURES FINISH COLOR BLACK
AASL HEAD DIAMETER 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE HEXAGON
AASA THREAD LENGTH 1.500 INCHES MINIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
ASDB WIDTH ACROSS FLATS 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 13

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