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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
07679 HARDWARE SPECIALTY CO. INC.

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
AASU HEAD HEIGHT 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
AASL HEAD DIAMETER 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
AASB FASTENER LENGTH 0.312 INCHES NOMINAL
AASA THREAD LENGTH 0.312 INCHES MINIMUM
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AAUM LOCKING FEATURE PELLET THREADS
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.164 INCHES
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNC
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
CMLP THREAD QUANTITY PER INCH 32
AASK HEAD STYLE PAN

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