mike r Posted August 31, 2022 Share Posted August 31, 2022 no idea what i am trying to sell or what it fits. think its new and unused . offers please Quote Link to comment Share on other sites More sharing options...
fv1609 Posted August 31, 2022 Share Posted August 31, 2022 Between the three studs with waxed paper, is there a hole to accept some sort of drive shaft? I would imagine that this is some sort of fluid pump for a British Army vehicle from the 1950s. On the basis that it is gloss DBG & searching NSNs with any of the identifiers from 25+ years ago has not been NATO Codified. If there is no input for a drive shaft then some sort of fluid pressure regulator/valve or filter? Quote Link to comment Share on other sites More sharing options...
mike r Posted August 31, 2022 Author Share Posted August 31, 2022 thank you Clive, no drive shaft hole between studs just a yellow cover either end i guess to take a pipe in and out, mike Quote Link to comment Share on other sites More sharing options...
fv1609 Posted August 31, 2022 Share Posted August 31, 2022 Mike that is interesting the "AP" underneath given the colour I think we can rule out Admiralty Pattern. But it suggests it might be from Armstrong Patents Co Ltd in Beverley who specialised in shock absorber mechanisms. So this device might have some hydraulic role? "AP" was their recognised abbreviation used in the Vocabulary of Army Ordnance Stores Sections LV6/MT1 to LV6/MT15. Quote Link to comment Share on other sites More sharing options...
B series Posted August 31, 2022 Share Posted August 31, 2022 (edited) Hello Mike, It is an unloader valve model ASPA made by Clayton Dewandre who make hydraulic brake system components. Could have been used on a bus or heavy truck. Similar as used on Leyland trucks Edited August 31, 2022 by B series New info 1 Quote Link to comment Share on other sites More sharing options...
mike r Posted August 31, 2022 Author Share Posted August 31, 2022 thanks b series ! now lets hope someone can make use of it ! ,mike Quote Link to comment Share on other sites More sharing options...
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