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OST

1977

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OST 4-471.000-77

Electronic instruments. Supply source transformers. General specifications.

OST 4-473.000-77

oil power transformers with capacity from 160 to 1600 kVA.

Hazelnut (filbert) saplings. Varietal and planting qualities. Technical conditions

Seedlings and saplings of walnut. Varietal and planting qualities. Technical conditions

Bulbs, corms, tubers, rhizomes, seedlings, cuttings, divided bushes of flower crops. Planting qualities

Elite seeds of sugar beet. Requirements to preforms

Seeds of highest quality sugar beets. Sowing qualities

Seeds of the elite of sugar beet. Sowing qualities

Parameters of elements of the experimental field by work stages in breeding, variety testing and primary seed-growing of perennial grasses

Natural mare's milk kumis.

OST 4-822.000-77

Non-threaded bushings. Construction and dimensions.

OST 4-890.000-77

Cheese-head screws (normal accuracy). Construction and dimensions (limitation under GOST 1491-72).

OST 4-890.001-77

Captive cheese-head screws with a sphere. Dimensions (limitation under GOST 10337-63).

OST 4-890.002-77

Round head screws (normal accuracy). Construction and dimensions (limitation under GOST 17473-72).

OST 4-890.003-77

Countersunk screws (normal accuracy). Construction and dimensions (limitation under GOST 17475-72).

OST 4-890.004-77

Oval head screws (normal accuracy). Construction and dimensions (limitation under GOST 17474-72).

OST 4-890.005-77

Rounded cheese-head screws (normal accuracy). Construction and dimensions (limitation under GOST 11644-75).

OST 4-890.006-77

Captive knurled-head screws. Dimensions (limitation under GOST 10344-63).

OST 4-890.007-77

Slotted plain sheared end setscrews. Construction and dimensions (limitation under GOST 1477-75).

OST 4-890.008-77

Slotted cone-point setscrews. Construction and dimensions (limitation under GOST 1476-75).

OST 4-890.009-77

Slotted cup-point setscrews. Construction and dimensions (limitation under GOST 1479-75).

OST 4-892.000-77

Bolts with hexagonal head (extra accuracy). Design and dimensions (restrictions as per GOST 7805-70).

OST 4-892.001-77

Bolts with enlarged round head and square neck (rough precision). Design and dimensions (restrictions as per GOST 7802-72).

OST 4-892.002-77

Swing bolts (restrictions as per GOST 3033-73).

OST 4-892.003-77

Studs with screw-end with length 1.25 d (single precision). Design and dimensions (restriction as per GOST 22034-76).

OST 4-892.004-77

Studs for parts with smooth holes (normal accuracy). Design and dimensions (restriction as per GOST 22042-76).

OST 4-893.000-77

Hex nuts (increased accuracy). Construction and dimensions (limitation under GOST 5927-70).

OST 4-893.001-77

Thin hex nuts (increased accuracy). Construction and dimensions (limitation under GOST 5929-70).

OST 4-893.002-77

“Turnkey” thin hex nuts with a reduced size (increased accuracy). Construction and dimensions (limitation under GOST 2526-70).

OST 4-893.003-77

“Turnkey” thin hex nuts with a reduced size. Construction and dimensions.

OST 4-893.004-77

Slotted and castellated hex nuts (increased accuracy). Construction and dimensions (limitation under GOST 5932-73).

OST 4-893.005-77

Punched butterfly-nuts. Construction and dimensions (limitation under GOST 3032-76).

OST 4-893.006-77

Slotted round nuts. Construction and dimensions (limitation under GOST 10657-73).

OST 4-893.007-77

Capnuts. Construction and dimensions (limitation under GOST 11860-73).

OST 4-893.008-77

Shaped knurled nuts. Construction and dimensions.

OST 4-893.009-77

Particularly thin lightweight hex nuts with fine metric thread. Construction and dimensions.

OST 4-893.010-77

Thin hex nuts (normal accuracy). Construction and dimensions (limitation under GOST 5916-70).

OST 4-894.000-77

Spring washers (restriction as per GOST 6402-70).

OST 4-894.001-77

Squeezing washers. Design and dimensions.

OST 4-894.002-77

Insulation washers. Design and dimensions.

OST 4-894.003-77

Retaining Washers (restriction as per GOST 11648-75).

OST 4-898.000-77

Round head screw. Dimensions (restriction as per GOST 1144-70).

OST 4-898.001-77

Countersunk screw. Dimensions (restriction as per GOST 1145-70).

OST 4-898.002-77

Construction nails. Dimensions (limitation under GOST 4028-63).

OST 4-899.000-77

Holders and fasteners. Selection Guide.

OST 4-899.001-77

Holders and fasteners. Technical conditions.

Dry and liquid bacterial ferments.

OST 4G 0.005.212-77

Measurement procedure. General requirements.

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