Item is used on a 4 inch rotary union, which is part of a motor controller; the controller is part of a antenna hardware kit, part number sm-f-715253
No other part numbers with same form, fit, and function found.
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
NSN 6135-00-050-7189
NSN 2925-01-271-4635
NSN 6685-01-226-4068
NSN 5985-01-262-3155
NSN 6685-01-607-2366
NSN 5985-01-025-1951
NSN 6130-01-029-2100
NSN 5835-01-472-5239
NSN 5996-01-033-0739
NSN 5835-01-471-5848
NSN 4140-01-015-2728
NSN 5950-01-411-2703