5305-01-333-2123, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-333-2123

Federal Supply Class:
5305

National Item Identification Number:
013332123

Description:
SCREW,CAP,SOCKET HEAD

Detail:
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.

Manufacturer Information:

12916772	19200	US ARMY ARDEC RDECOM
12916772	26233	NYLOK LLC
12916772	59093	NYLOK LLC

Techincal Specification:

COLOR	BLUE FASTENER
FASTENER LENGTH	0.400 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HEAD DIAMETER	0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD HEIGHT	0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	STEEL COMP 304 FASTENER
NOMINAL THREAD DIAMETER	0.375 INCHES
SPECIAL FEATURES	0.160 IN. LONG BY 0.275 IN. DIA UNDERCUT BENEATH HEAD
SURFACE FINISH	63.0 MICROINCHES HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.280 INCHES NOMINAL
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM

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