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the contractor's current inventory (see 3.1), and the number of items to be tested as specified in 4.4. The
contracting officer should also include specific instructions in acquisition documents regarding
arrangements for examinations, approval of first article test results, and disposition of first articles.
Invitations for bids should provide that the Government reserves the right to waive the requirement for
samples for first article inspection to those bidders offering a product which has been previously acquired
or tested by the Government, and that bidders offering such products, who wish to rely on such production
or test, must furnish evidence with the bid that prior Government approval is presently appropriate for the
pending contract. Bidders should not submit alternate bids unless specifically requested to do so in the
solicitation.
6.4 Definitions.
6.4.1 Batch. A batch shall consist of a product of the same composition, manufactured under
essentially the same conditions, and at essentially the same time, and not to exceed a 24-hour period of
manufacture. A change of an ingredient lot shall change the batch.
6.5 Explosive preparation. It is suggested that the explosive be mixed in the presence of at least
three percent by weight mixing agent. This material should be Phillips 99 mole percent heptane or a
heptane of equal or better purity. After mixing, the majority of the heptane should be decanted. The
remaining heptane should be removed during a vacuum degassing or casting step.
6.6 Experimental mixes. In producing a product which will meet the requirements herein, the
supplier should be guided by his own background or experience plus the results from any experimental
mixes of this explosive, in deciding upon the exact quantities of the materials specified in table I for use in
any given batch of PBXN-103.
6.7 Safety precautions. The safety precaution requirements of the "Contractors' Safety Manual for
Ammunition, Explosives and Related Dangerous Material" (DOD 4145.26M) are applicable and should be
specified in the contract as required by the Federal Acquisition Regulation (FAR) 23.3.
NOTE: When this document is used as part of the description of work to be accomplished by a
Government activity, the safety precaution requirements of "Ammunition and Explosives Ashore" (OP5)
should be made applicable.
6.8 Subject term (key word) listing.
Ethyl centralite (EC)
Explosive
Impact sensitivity
Metriol trinitrate (MTN)
Ordnance
Plasticizer
Resorcinol
Triethylene glycol dinitrate (TEGDN)
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