49 Cfr 179.2

§ 179.2 Definitions and abbreviations.

(a) The following apply in part 179:

(1) AAR means Association of American

Railroads.

(2) Approved means approval by the

AAR Tank Car Committee.

(3) ASTM means American Society

for Testing and Materials.

(4) [Reserved]

(5) Definitions in part 173 of this

chapter also apply.

(6) F means degrees Fahrenheit.

(7) NGT means National Gas Taper

Threads.

(8) NPT means an American Standard

Taper Pipe Thread conforming to the

requirements of NBS Handbook H–28

(IBR, see § 171.7 of this subchapter).

(9) [Reserved]

(10) Tank car facility means an entity

that manufactures, repairs, inspects,

tests, qualifies, or maintains a tank

car to ensure that the tank car conforms

to this part and subpart F of part

180 of this subchapter, that alters the

certificate of construction of the tank

car, that ensures the continuing qualification

of a tank car by performing a

function prescribed in parts 179 or 180

of this subchapter, or that makes any

representation indicating compliance

with one or more of the requirements

of parts 179 or 180 of this subchapter.

(11) Tanks means tank car tanks.

(b) [Reserved]

[29 FR 18995, Dec. 20, 1964. Redesignated at 32

FR 5606, Apr. 5, 1967, and amended by Amdt.

179–10, 36 FR 21344, Nov. 6, 1971; Amdt. 179–50,

60 FR 49076, Sept. 21, 1995; Amdt. 179–50, 61

FR 33255, June 26, 1996; 63 FR 52850, Oct. 1,

1998; 66 FR 45186, 45390, Aug. 28, 2001; 68 fR

75759, Dec. 31, 2003]

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