PPP-B-1672E
6.1 Intended use. These packs are intended for use as standard, exterior, reusable packing media for the packaging, preservation, handling, shipment, and storage of serviceable and repairable items as prescribed by cognizant packaging activities. Type I packs may be used for items such as meters, gauges, and instruments. Type II packs may be used for items which are essentially flat (1/4 inch to 2-1/2 inches (6 mm to 65 mm)) such as circuit boards, electronic modules, and tubes. Type III packs may be used for black-box type items, such as receiver- transmitters, amplifiers, power supply units and electronic indicators. Type IV packs may be used for electrical-electronic items generally having a small cross section relative to length, such as control generators, amplifiers, volt-meters, protection panels, transformers, and regulators. Additional information regarding weight limits and fragility range of items applicable to these packs may be found in MIL-STD-2073-1 and as referenced in Technical Order (TO) 00-85B-3.
6.2 Ordering data. Purchasers should select the preferred options permitted herein and include the following information in procurement documents:
a. Title, number, revision letter and date of this specification. b. Type, style, and size of box (see 1.2.1).
c. Units to be used in box markings (English or metric, see 3.4). d. Special markings (see 5.2)
6.2.1 Additional ordering data. In addition, the purchaser may include the following cushioning material requirements in procurement documents:
a. Special color.
b. Flexibility (procuring activity must define test).
c. Thermal stability (see ASTM D3575, suffix S, dimensional change not greater than
2% typical value).
d. Flammable blowing agent content (procuring activity must define test to determine lower explosive limit (LEL), typical value is 50%) (see NIPHLE 97T-002).
e. Fire retardancy (procuring activity must define test).
6.3 Samples. Normally no samples for determining compliance with this specification will be necessary prior to award. If samples with bids are required, they should be specifically requested in the invitation for bids, and the purpose of the bid sample should be definitely stated, the specification to apply in all other respects.
6.4 Units of measure. The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard and should not generally be used for procurement purposes.
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