supply of pipe 32nb forpipe 32nb for,pipe 32nb for bcna, bcnahs wagon as per rdsos drg. no. wd-90030-s-72, alt no.-4 , con sisting of following three items:- 1) item no.-1 fitted with one end item 12 & 13 and other end rp 1-1/4 par allel thread to ls:554, qty-02 nos. 2) item no. 2 fitted with one end item- 12 & 13 and other end item item no.14 .qty-02 nos. 3) item no.5 fitted with one end item- 12 & 13 and other end item no.14 ,qty-01 no. sea mless to ls:1239 (part-1) heavy grade (as per rdsos letter no.mw/apb dtd.22.05.2020). one set consists of sl no.1 to 3 i.e total 05 nos. per set uvam item ref. : 3100389--component of graduated release compr essed air brake equipments for freight & coaching stock , sub item : 3100389007--sub item:pipes & joints for air brakes [ warranty period: 30 months after the date of delivery ] ] sr. section engineer wagon gujarat 30.00 set , pipe 32 n.b. with sockets & flanges (welded assembly) for freight stock to rdso drg. no. w d-80007-s-11 alt-12, item no. 1, 12 & 13. socket and flanges to rdso drg. no. wd-83062-s-07, alt-6, item s 2 & 3. other technical requirements confirming to specification no. 04-abr-2019 (rev-02) of december 2019. material specification of pipes as under, pipes 32 nb:- seamless to is:1239 (part-1) heavy grade or a stm a-106 gr. a. socket & flange:- is-2062-2011, amendment-1 of nov. 2012, gr. e 250 a for 32 nb pipe. uvam item ref. : 3100389--component of graduated release compressed air brake equipments for freight & coaching stock , sub item : 3100389007--sub item:pipes & joints for air brakes [ warranty period: 30 months after the date of delivery ] ] => limited