5305-00-462-8353, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-462-8353

Federal Supply Class:
5305

National Item Identification Number:
004628353

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:

10056556	A486G	NIMIKKEISTOKESKUS NCB FINLAND
10221164-1	18876	U S ARMY AVIATION AND MISSILE COMMAND
5305004628353	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
5305004628353	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE

Techincal Specification:

COUNTERSINK ANGLE	70.0 DEGREES NOMINAL
FASTENER LENGTH	0.335 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD DIAMETER	0.147 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
WIDTH ACROSS FLATS	0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	171,FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.227 INCHES MINIMUM AND 0.272 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	20

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