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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

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
THSD THREAD SERIES DESIGNATOR UNJC
CRSQ COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
AASA THREAD LENGTH 0.312 INCHES NOMINAL
AASL HEAD DIAMETER 0.319 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
AAUM LOCKING FEATURE PATCH LOCKING FEATURE
CQBC MINIMUM TENSILE STRENGTH 195000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.164 INCHES
AASK HEAD STYLE FLAT COUNTERSUNK
MATT MATERIAL IRON ALLOY 660 OVERALL
MATT MATERIAL PLASTIC NYLON LOCKING FEATURE
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
MDCL MATERIAL DOCUMENT AND CLASSIFICATION A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CMLP THREAD QUANTITY PER INCH 32
AASB FASTENER LENGTH 0.244 INCHES NOMINAL

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