MIL-T-20705 Teeth, Scarifier, Back-RipThis specification covers teeth for back-rip scarifiers for tractors equipped with dozer blades which permit penetrating and ripping the ground when the tractor is traveling in reverse gear only.

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MIL-T-20705A

4.2 Classification of inspection. Inspection shall be classified

as follows:

(a) Quality conformance inspection (see 4.3).

(b) Inspection of preparation for. delivery (see 4.5).

4.3 Quality conformance inspection.

4.3.1 Sampling. Sampling for examination and tests shall be in

accordance with MIL-STD-105, inspection level II.

4.3.2 Examination.

4.3.2.1 Critical defects. Samples selected in accordance with

4.3.1 shall be examined for the critical defects specified in 4.4.1.

Presence of a critical defect shall be cause for rejection.

4.3.2.2 Major defects. Samples selected in accordance with

4.3.1 shall be examined for the major defects specified in 4.4.l.

AQL shall be 2.5 percent defective.

4.3.3 Tests. Upon successful completion of the examination

specified in 4.3.2, the teeth shall be subjected to the tests

specified in 4.4.2. Failure of any test shall be cause for

rejection.

4.4 Inspection procedure.

4.4.1 Examination. Teeth shall be examined for the following

defects:

Critical

1. Dimensions and tolerances not as specified.

2. Material not as specified.

3. Welding not as specified.

Major

101.

Nonmetallic inclusions.

102.

Segregation.

103.

Cracks.

104.

Seams.