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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
05047 AMERICAN SOCIETY OF MECHANICAL ENGIN

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASB FASTENER LENGTH 2.250 INCHES NOMINAL
AAJD THREAD CLASS 3A
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
ASDB WIDTH ACROSS FLATS 0.625 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
AASL HEAD DIAMETER 1.251 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
AHYM NOMINAL THREAD DIAMETER 0.750 INCHES
MATT MATERIAL NICKEL ALLOY R-405 OVERALL OR NICKEL ALLOY 400 OVERALL
AASA THREAD LENGTH 2.050 INCHES NOMINAL
ABQZ INTERNAL DRIVE STYLE HEXAGON
CMLP THREAD QUANTITY PER INCH 10
CRSQ COUNTERSINK ANGLE 82.0 DEGREES NOMINAL

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