Military Spec 10.9 Black Socket Head Cap Screw 30mm x 45mm Model:ISO4762-M20X45-10.9 NSN:5305-01-516-7998

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Socket Head Cap Screw

NSN: 5305-01-516-7998 | Model: ISO4762-M20X45-10.9
ITAR Registered seal

An externally threaded fastener whose threaded portion is of one 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.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Thread Direction
Thread Length
45.0 millimeters
Fastener Length
45.0 millimeters
Head Style
Flat chamfer
Head Diameter
Between 29.53 millimeters and 30.00 millimeters
Head Height
Between 19.73 millimeters and 20.00 millimeters
Internal Drive Style
End Application
Coupling assembly
Thread Diameter
20.0 millimeters
Width Across Flats
17.0 millimeters
Thread Pitch In Millimeters
External Thread Tolerance Class
Steel property class 10.9
Thread Series Designator

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