Product Details | SOCKET HEAD CAP SCREW

5305-00-989-7257 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.

Part Alternates: 5305-00-989-7257, 00-989-7257, 5305009897257, 009897257

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-989-7257

Drawings & Photos | NSN 5305-00-989-7257


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Technical Data | NSN 5305-00-989-7257

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.500 INCHES MINIMUM
FASTENER LENGTH 0.697 INCHES NOMINAL
MATERIAL STEEL OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.675 INCHES NOMINAL
HEAD HEIGHT 0.178 INCHES NOMINAL
INTERNAL DRIVE STYLE D14 SLOT
LOCKING FEATURE DISTORTIONS THREADS

Restrictions/Controls & Freight Information | NSN 5305-00-989-7257

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information