 |
|||
|
|
|||
| ||||||||||
|
|  MIL-D-18641F(SH)
a.
Plugs which show the following liquid penetrant indications shall be subject to rejection:
(1) Any liquid penetrant indications of cracks, seams, or laps, except scratches whose
depth is less than 5 percent of the wall thickness
(2) Round indications 1/16 inch diameter or greater
(3) Round indications which are linearly disposed whose center-to+enter distance is
less than 3/16 inch.
b. Superficial polishing with 120 grit emery cloth may be used as an aid in determination
of the extent of the indications defined in a.(1), (2) and (3). Not more than 5 percent
of the wall thickness shall be removed in the effort to remove the indications, always
provided that design wall thickness is maintained.
c.
If the vendor chooses to remove the defects, the area containing the indication shall
be reinspected by liquid penetrant inspection after polishing, to ensure that all
indications have been removed.
4.8 Inspection of packaging. Sample packages and packs, and the inspection of the
preservation, packing and marking for shipment and storage shall be in accordance with the
requirements of section 5 and the documents specified therein.
.
5. PACKAGING
(The packaging requirements specified herein apply only for direct Government acquisition. For
the extent of applicability of the packaging, requirements of referenced documents listed in
section 2, see 6.9.)
5.1 Preservation. Preservation shall be level A or commercial as specified (see 6.2).
5.1.1 Level A. The distillation unit shall be preserved in accordance with method III of MIL-
P-116. Interior surfaces shall be thoroughly dried after which openings shall be sealed with caps,
plugs, or plywood blanks to prevent entry of foreign matter. Barrier material conforming to grade
A of MIL-B-121 shall be placed between the plywood blank and the mating flange.
5 . 1 . 1 . 1 Accessories. Gauges and thermometer shall be removed from the unit and individually.
preserved by methods IA and III respectively in accordance with MIL-P-116.
5.12 Commercial. The distillation unit shall be preserved in accordance with ASTM D 39-
51.
5.2 Packing. Packing shall be level A, B, C, or commercial as specified (see 6.2).
52
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals