MIL-DTL-26126C
3.9 Workmanship. Relays shall be fabricated in such a manner as to be uniform in quality and shall
be free of cracked or displaced parts, sharp edges, burrs, and other defects that will affect life,
serviceability, and appearance.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.3).
b. Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified herein, all requirements shall be performed in
accordance with the test conditions specified in the General Requirements section of MIL-STD-202.
4.3 First article inspection. First article inspection shall be performed at a laboratory acceptable to the
Government on sample relays produced with equipment and procedures normally used in production.
4.3.1 Sample size. The number of relays to be subjected to first article inspection shall be as specified
in table I.
4.3.2 Inspection routine. Sample relays shall be tested as specified in table I in the order shown, as
applicable for each relay.
4.3.3 Failures. Any failure shall be cause for refusal to grant first article approval, except that if a
sample fails the life test, one additional lot of two samples may be tested and no failure shall be allowed.
4.4 Conformance inspection.
4.4.1 Inspection of product for delivery. Inspection of product for delivery shall consist of the group A
inspection.
4.4.1.1 Inspection lot. An inspection lot shall consist of all relays covered by a single specification
sheet produced under essentially the same conditions, and offered for inspection at one time.
4.4.1.2 Group A inspection. The group A inspection shall consist of the examinations and tests
specified in table II in the order shown.
4.4.1.2.1 Sampling plan. The group A tests shall be performed on 100 percent of the relays furnished
under this specification.
4.4.1.2.2 Rejected lots. Relays which have failed to pass any procedure in group A to which they have
been subjected shall be removed from the lot.
4.4.1.2.3 Disposition of sample units. Sample units which have passed the group A inspection may be
delivered on the contract or purchase order if the lot is accepted and the sample units are still within
specified electrical tolerances.
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