supply of various types ms clip, hook bolts and nut, washer, split pin, hook bolt & nut for channel sleeper, as per rdso drg. no. b-1636e / 1 / r2 of following sizes:- ( a ) size:- 370mm x 25mm = 200nos. ( b ) size :- 335mm x 22mm = 200nos. ( c ) size :- 330mm x 22mm = 250nos. ( d ) size :- 360mm x 22mm = 100nos. ( e ) size :- 340mm x 25mm = 100nos. ( f ) size :- 340mm x 22mm = 100nos. ( g ) size :- 370mm x 22mm = 100nos. ( h ) size :- 300mm x28mm = 100nos. [ warranty period: 30 months after the date of delivery ] , single coil spring washer, irs t-42-1988, as per rdso drawing no. t-10773. [ warranty period: 30 months after the date of delivery ] , tapper washer for guard rail is 226-1962, rdso drawing no. rt-5162. [ warranty period: 30 months after the date of delivery ] , tapper washer for guard rail is 226-1962, rdso drawing no. rt-5161. [ warranty period: 30 months after the date of delivery ] , tapered split pin 4mm dia suitable to rdso drg. no. t-5155 to t5164 and rdso / b-1636 / 5, rdso / b-1636 / 1 / r2. specification as per is:549. [ warranty period: 30 months after the date of delivery ] , t-head bolt & nut irs t-10-1968, rdso drawing no. t-5160. [ warranty period: 30 months after the date of delivery ] , m.s. clip is-226, to rdso drg. no. inner t-5158. [ warranty period: 30 months after the date of delivery ] , m.s. clip is-226, ( outer ) to rdso drg. no. t-5157. [ warranty period: 30 months after the date of delivery ] , bolt & nut for guard rail, 150x25mm, irs t-10 rdso / t-5164. [ warranty period: 30 months after the date of delivery ] , plain washer 8mm thick, rdso drawing no. t-5155 to rdso drg. no. t-5164. [ warranty period: 30 months after the date of delivery ]