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MIL-DTL-29210 Hose Assembly, Rubber, Metal Lined, Wire Reinforced, 250 Psig, Saturated Steam ServiceThis specification covers metal lined, wire reinforced, rubber-hose assemblies for conveyance of saturated steam. The working pressure of this hose is 250 pound-force per square inch gauge \(psig\) \(1.72 MPa gauge\) at a temperature of 406 Deg. F \(208 Deg. C\).

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MIL-DTL-29210E

TABLE VII. First article inspection.

Inspection

Requirement

Test method

All hose assemblies

Examination

3.4, 3.9, and 3.10

Length measurement

Proof pressure

Hose testing

Hose size

Unit weight

Ozone resistance

Steam resistance

Burst resistance

Metal liner tests

Inside diameter

Thickness

Chemical composition 1/

3.4.2

4.7.3.3

1/ Certification or testing as required by the contract or purchase

order (see 6.2 (e)).

4.4.2.3 Sampling for metal liner tests. A 6-foot (1829 mm) length of metal liner shall be provided for

the tests on the metal liner, see table VII. This length of metal liner shall be taken from the same lot of

liner used in the manufacture of the hose.

4.4.3 Failures. All samples must meet all of the contract requirements. Failure of a sample unit to

pass any test shall be cause for rejection of the entire lot and to grant first article approval.

4.4.4 First article samples. Unless otherwise specified, after award of the contract or order, the

manufacturer shall forward 1 hose assembly. The sample shall be representative of the construction,

workmanship, components, and materials to be used during production. When a manufacturer is in

continuous production of the hose assemblies from one contract to another, submission of additional first

article samples for a new contract may be waived at the discretion of the acquiring activity (see 6.2).

4.4.5 Disposition of samples. First article samples shall be furnished to the Government as directed

by the contracting officer (see 6.2).

4.5 Conformance inspection. For manufacturers that have successfully passed first article

inspections and are continuously producing hose assemblies to this specification on going inspections

shall consist of individual inspections, see table VIII. If first article is waived due to prior successful first

article inspection the individual inspections shall be the manufactures in house inspection procedures.

4.5.1 Individual inspection samples. All hose assemblies shall be subjected to the individual

inspections in table VIII.

TABLE VIII. Individual inspections (group A).