supply of set of double ferrule fittings , supply of of set of double ferrule fittings for pfs modular arrangement for lhb coaches con firming to icf/md/spec-166, issue status-01, rev-04, amd-01 and amd-02 as follows: (a) male elbow co nnector to size 10 mm o.d x 1/4 bspt, qty-30 nos. (b) swivel elbow union to size 10 mm o.d, qty- 15 no s. (c) union tee to size 10 mm o.d, qty-10 nos. (d) male elbow connector to size 10 mm o.d x 1/8 bspt, qiy- 5 nos. (e) male connector to size 10 mm o.d x 1/4 bspt, qty- 10 nos. (f) elbow union to size 10 mm o.d, qty- 10 nos detailed specification is attached in documents. [ warranty period: 30 months after the date of delivery ] ]