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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
80064 NAVAL SHIP SYSTEMS COMMAND

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
MATT MATERIAL NICKEL ALLOY R-405 FASTENER
AASB FASTENER LENGTH 0.750 INCHES NOMINAL
ABQZ INTERNAL DRIVE STYLE SLOT
AASL HEAD DIAMETER 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
AASA THREAD LENGTH 0.472 INCHES MINIMUM AND 0.597 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 CL A ASSN STD SINGLE MATERIAL RESPONSE FASTENER
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AAUM LOCKING FEATURE STRIP THREADS OR PELLET THREADS OR PATCH THREADS
CMLP THREAD QUANTITY PER INCH 20
CRSQ COUNTERSINK ANGLE 82.0 DEGREES NOMINAL

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