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navy special project
MIL-Q-21549B-SP24-1
as differentiated by special test features
1EA
FSC 5305 ⁓ Screws
navy special project
Nothing similar to this part number was found in our inventory
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.