/+.&6.
15
2.4 Order of precedence. In the event of a conflict between the text of this document and the references
cited herein, the text of this document takes precedence. Nothing in this document, however supersedes
applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample shall be subjected to the first article inspection (see
6.3) in accordance with 4.2.1.
3.2 Design and construction. The following applies to the qualification status and configuration control
of the cartridge and its test fixtures over the entire life of the item.
3.2.1 Identical configuration. The cartridge design and construction shall be identical to that subjected
to Navy qualification testing and approved for service use by Indian Head Division, Naval Surface
Warfare Center, Indian Head, Maryland 20640-5035.
3.2.2 Configuration control. Only the cartridge procured from the vendor(s) listed on Drawing
850AS895 is approved for the application specified. All parts having the same vendor's item number
shall be functionally and dimensionally interchangeable. A substitute cartridge shall not be used without
prior testing and approval by the Indian Head Division, Naval Surface Warfare Center, Indian Head, MD
20640-5035 and the Naval Air Systems Command Headquarters.
3.2.3 Contractor baseline. The contractor shall maintain a product and test fixture (non-destructive,
environmental and performance) list. The list shall be complete, specifying each item used in the
cartridge and test fixtures. The list shall include for each item: the description, part number or identifying
number, revision letter, and material and/or applicable specification. The list and subsequent revisions
shall be submitted for technical review and shall be approved in writing by Indian Head Division, Naval
Surface Warfare Center, Indian Head, MD 20640-5035. Only cartridges conforming to Drawing
850AS895 and to the approved product baseline list, of the latest revision at the time of contract award,
will be accepted for delivery.
3.3 Primary components. For the purpose of this specification, the PVU-1/A ignition device, lead azide
and Hexanitrostilbene (HNS) are primary components (see 6.4). Only primary components from a single
lot shall be used in a lot of cartridges; however, one primary component lot may be used in more than one
cartridge lot.
3.3.1 PVU-1/A Ignition Device. The PVU-1/A ignition device used in the cartridge shall be furnished
from lots manufactured within the past 24 months or have been recertified within the past 12 months.
The ignition device shall be manufactured in accordance with Drawing 851AS110 and shall be from lots
which are accepted in accordance with product specification WS 21535. The PVU-1/A ignition device
shall be free of the following defects when examined by x-ray: missing or abnormally thin charge; charge
broken, cracked or porous, cracked or off-center anvil or other misplaced or deformed inert parts; anvil
abnormally close to cup dome; and any other observable defects in assembly.
3.4 Cartridge production. The cartridge shall be manufactured in accordance with DL850AS895. Each
production cartridge shall meet the requirements of 3.3 and 3.4.1 through 3.4.4 as outlined in table I.
Failure of any cartridge to meet the requirements of 3.3 and table I shall result in rejection of that
cartridge.
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