MIL-DTL-5516D
Table III. - Test samples required for First Article tests (cont'd)
Performance and Endurance Tests
AN6225 V-ring
Tests
-20
-25
Endurance (unaged)
2
4
Performance and endurance (aged)
4
4
Subtotal (Performance)
6
8
Total (all tests)
17
14
3.9 Age. Unless otherwise specified the age limitations for the finished product shall conform to
SAE-ARP 5316.
3.10 Workmanship. Workmanship and finish shall be in accordance with the highest grade
practice in manufacturing this kind of product. Manufacturing practices shall be such that the
physical properties of the finished product shall be uniform through the cross section of the
packing.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified (see 6.2) all inspections shall be
performed in accordance with the applicable test conditions specified in FED-STD-601.
4.3 First article inspection. First article inspection shall be performed at a laboratory acceptable
to the procuring activity (see 6.3), on sample items produced with equipment and procedures
normally used in production.
4.3.1 Sampling instructions. Samples for first article tests shall consist of the following:
Class A material
17 AN6225-20
14 AN6225-25
3 Platen press sheets, .075 inch (1.905mm) x at least 4.75 inch (120.65mm) x
4.75 inch (120.65mm)
3 ASTM hardness test disks, .25 inch (6.35mm) thick by 1 inch (25.4mm) diameter
4.3.1.1 Platen press sheets and discs shall have the same compounding and equivalent cure as
the accompanying packings, and the packings shall represent the manufacturer's production
product, particularly with respect to stock preparation, mold design and finish, and molding
technique. Proper identification shall be applied to each packing using expected production
marking compound and technique and color
6
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