Has 4 dimples on head, designating metric thread
A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.
NSN 5965-01-437-0905
NSN 5910-01-528-6226
NSN 5895-01-439-3084
NSN 6645-00-151-5280
NSN 6220-01-068-0542
NSN 6105-01-415-5555
NSN 5945-00-014-0422
NSN 4140-00-570-3440
NSN 5990-01-633-9503
NSN 5990-00-244-5715
NSN 6240-01-449-0300
NSN 6620-00-248-6950