Complete rotating band separation

Page Title: Complete rotating band separation
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MIL-P-60835A(MU)

If two or more units of the sample have an average radial void, between

the seated band and the band seat, greater than 0.004 inch, the lot shall be

rejected. If one unit of the sample has an average radial void, greater than

0.004 inch, a second sample consisting of the same number of units as speci-

fied for the first sample shall be tested. If, in the accumulated samples,

two or more units have an average radial void greater than 0.004 inch, the

lot shall be rejected.

Failure of the flaw detector to reject PCS No. 1 shall be cause for re-

jection of all assemblies inspected for "soundness" since the preceding

test and shall require requalification of the equipment for automatic ins-

pection. (see 4.5.3)

Rejection of one or more units of the sample by the flaw detector in the

test for body metal soundness shall be cause for rejection of the lot.

Failure of the phosphate coating on the standard panels to comply with

the applicable requirements shall be cause for rejection of all projectiles

phosphate since the preceding test.

If two or more units of the sample fail to comply with the requirement

for paint adhesion, the lot shall be rejected. If one unit of the sample

fails to comply with the requirement, a second sample consisting of the

same number of units as specified for the first sample shall be tested.

If, in the accumulated samples, two or more units fail to comply with the

requirement for paint adhesion, the lot shall be rejected.

If two or more units of the sample fail to comply with the corrosion

resistance requirement, the lot shall be rejected. If one unit fails to

comply with the requirement, a second sample consisting of the same number

of units as specified for in the first sample shall be tested. If in the

accumulated samples, two or more units fail to comply with the corrosion

resistance requirement, the lot shall be rejected.

The occurrence of one or more of the following casualties, as witnessed

by hole(s) in the fragmentation screens, or recovery of the part(s) or frag-

ment(s), shall be cause for rejection of the lot, except as otherwise provided:

Body breakup.

b. Complete rotating band separation. This is defined as detachment of

all or part of the band having band seat knurling imprint. The following

acceptance criteria shall apply to detached band fragments having no visible

evidence of band seat knurling imprint:

(1) The lot will be accepted if 2 or less projectiles throw band

fragments having length not greater than 0.500 inch.

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