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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
CMLP THREAD QUANTITY PER INCH 24
ASDB WIDTH ACROSS FLATS 0.250 INCHES NOMINAL
AASU HEAD HEIGHT 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
AAJD THREAD CLASS 3A
THSD THREAD SERIES DESIGNATOR UNRF
AASB FASTENER LENGTH 2.750 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
MATT MATERIAL STEEL OVERALL
AASA THREAD LENGTH 1.125 INCHES NOMINAL
CQBC MINIMUM TENSILE STRENGTH 170000 POUNDS PER SQUARE INCH
ABQZ INTERNAL DRIVE STYLE HEXAGON
AASL HEAD DIAMETER 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES

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