supply of injection moulded high performance polya [injection moulded high performance polyamide hppa (self lubricating superior nylon grade) brake gear bushes for bg main line coaches to spec. no. rdso/2009/cg-17 (rev.03 of apr 23) or self lubricating polyester resin based composite brake gear bushes to be used in main line coaches (bg) to spec. no. c-k-605 (rev-02 of july 19) as per drg. no. sk. no.81039 (alt.15) and as per detail as under: 1] rdso drg. no. sk-81039, item no. 2, size- 42x32x20 mm, qty. of bushes 216 nos. 2] rdso drg. no. sk-81039, item no. 3, size- 42x32x32 mm, qty. of bushes 84 nos. 3] rdso drg. no. sk-81039, item no. 7, size- 70x57x25.5 mm, qty. of bushes 64 nos. 4] rdso drg. no. sk-81039, item no. 11, size- 32x23x20 mm, qty. of bushes 8 nos.]injection moulded high performance polya [injection moulded high performance polyamide hppa (self lubricating superior nylon grade) brake gear bushes for bg main line coaches to spec. no. rdso/2009/cg-17 (rev.03 of apr 23) or self lubricating polyester resin based composite brake gear bushes to be used in main line coaches (bg) to spec. no. c-k-605 (rev-02 of july 19) as per drg. no. sk. no.81039 (alt.15) and as per detail as under: 1] rdso drg. no. sk-81039, item no. 2, size- 42x32x20 mm, qty. of bushes 216 nos. 2] rdso drg. no. sk-81039, item no. 3, size- 42x32x32 mm, qty. of bushes 84 nos. 3] rdso drg. no. sk-81039, item no. 7, size- 70x57x25.5 mm, qty. of bushes 64 nos. 4] rdso drg. no. sk-81039, item no. 11, size- 32x23x20 mm, qty. of bushes 8 nos.],injection moulded high performance polyamide hppa (self lubricating superior nylon grade) brake gear bushes for bg main line coaches to spec. no. rdso/2009/cg-17 (rev.03 of apr23) or self lubricating pol yester resin based composite brake gear bushes to be used in main line coaches (bg) to spec. no. c-k-605 (r ev-02 of july19) as per drg. no. sk. no.81039 (alt.15) and as per detail as under: 1] rdso drg. no. sk-81039, item no. 2, size- 42x32x20 mm, qty. of