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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 UNJF
AHYM NOMINAL THREAD DIAMETER 0.25 INCHES
CMLP THREAD QUANTITY PER INCH 28
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AASL HEAD DIAMETER 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
MATT MATERIAL STEEL OVERALL
AASB FASTENER LENGTH 0.5 INCHES NOMINAL

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