2002年3月11日 · I have a combination of the following bolt & nut (also some washers): Bolt MS21250-05016 Nut H55LH4367-054 I have no direction in the SRM regarding the torque. While I have requested confirmation from the aircraft manufacturer, in the mean time I am trying to chase down something that can be...

2004年2月6日 · d) MS21250 is a very widely used bolt in the aerospace field, and is a perfect candidate for sale by distributors. Some odd diameters and lengths may have been on their shelves for some time, and it should be noted that the embrittlement relief treatment duration has been changed a few times over the life of the QQ-P-416 cad plate standard.

2009年2月17日 · Does anyone know if there is a first oversized (1/64th over) for a MS21250 bolt? This is a 12 point head steel tension bolt. Nothing is referenced on the specification for oversized fasteners.

2006年9月26日 · NAS628-74 OR MS21250-08-74 Thread starter AIRFRAMER; Start date Sep 26, 2006; Status

2008年8月29日 · Saying that, there will be plenty of people who will cry foul with a standard torque table being used as seen in this forum - post- MS21250 bolt torque(and forum - mechanical engineering other topics - bolt stretch versus clamping force)

2022年3月5日 · MS21250 is a very 'odd/over-kill' bolt for an application as described... especially since the head-to-shank fillet Radius is fairly substantial. I would have expected an alloy steel or A286 160-TKSI/95-SKSI or 180-TKSI/108-SKSI hex shear-bolt with short or medium length threads [CAUTION: NEVER use titanium for these installs].