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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
THSD THREAD SERIES DESIGNATOR UNJC
AASL HEAD DIAMETER 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
AASK HEAD STYLE FILLISTER
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.310 INCHES NOMINAL
AASB FASTENER LENGTH 0.310 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL IRON ALLOY 660 OVERALL
AAUM LOCKING FEATURE STRIP THREADS
AASU HEAD HEIGHT 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
CMLP THREAD QUANTITY PER INCH 32
AHYM NOMINAL THREAD DIAMETER 0.138 INCHES
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

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