supply of plain washer, spring washer, split pin , plain washer suitable for m16 fasteners, conforming to is: 2016. the washer shall have a hardness of 300 hv. surface finish: zinc flake coating ( geomet321 or similar) in accordance with iso 10683 with coating thickness 8-12 micron, with top coat, without any hexavalent chromium, without any integra ted or separately added lubricant. minimum salt spray test life of 1000 hours is to be ensured. the washer shall be free from burrs, sharp edges, cracks, laps, and other manufacturing defects. accepted makes: tvs /unbrako or equivalent. [ warranty period: 30 months after the date of delivery ] ] , plain washer suitable for m20 fasteners, conforming to is: 2016. the washer shall have a hardness of 300 hv. surface finish: zinc flake coating ( geomet321 or similar) in accordance with iso 10683 with coating thickness 8-12 micron, with top coat, without any hexavalent chromium, without any integra ted or separately added lubricant. minimum salt spray test life of 1000 hours is to be ensured. the washer shall be free from burrs, sharp edges, cracks, laps, and other manufacturing defects. accepted makes: tvs /unbrako or equivalent. [ warranty period: 30 months after the date of delivery ] ] , spring washer suitable for m16 fasteners, conforming to is 3063, type b. the washer shall be manufactured from hardened spring steel with ha rdness 430-530 hv. surface finish: zinc flake coating (geomet321 or similar) in accordance with iso 10683 with coating thickness 8-12 micron, with top coat, without any hexavalent chromium, without any integrated or separately added lubricant. minimum salt spray test life of 1000 hours is to be ensured. the was her shall be free from burrs, sharp edges, cracks, laps, and other manufacturing defects. accepted makes: tvs / unbrako or equivalent. [ warranty perio d: 30 months after the date of delivery ] ] , spring washer suitable for m20 fasteners, conforming to is 3063, type b. the washer shall be manufactured from hardened spring steel with ha rdness 430-530 hv. surface finish: zinc flake coating (geomet321 or similar) in accordance with iso 10683 with coating thickness 8-12 micron, with top coat, without any hexavalent chromium, without any integrated or separately added lubricant. minimum salt spray test life of 1000 hours is to be ensured. the was her shall be free from burrs, sharp edges, cracks, laps, and other manufacturing defects. accepted makes: tvs / unbrako or equivalent. [ warranty perio d: 30 months after the date of delivery ] ] , split pin 4 mm x 45 mm, conforming to is:594. surface finish: zinc plated as per is 1572. [ warranty period: 30 months after the date of deliv ery ] ] , split pin 5 mm x 50 mm, conforming to is:594. surface finish: zinc plated as per is 1572. [ warranty period: 30 months after the date of deliv ery ] ]