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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
AASA THREAD LENGTH 0.500 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AAUM LOCKING FEATURE PELLET THREADS
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416, TYII, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL
AASL HEAD DIAMETER 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
AASB FASTENER LENGTH 0.500 INCHES NOMINAL
AASU HEAD HEIGHT 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR AMS6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS6382 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
SFTT SURFACE TREATMENT CADMIUM OVERALL
AASK HEAD STYLE PAN

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