MIL-DTL-6193D
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not
mandatory.)
6.1 Intended use. The universal joints covered by this specification are used for intermittent
mechanical linkages i.e. gun controls, steering, and flap/slat actuation on aerospace equipment. The
universal joints described in this specification are military unique because they must be able to operate
satisfactorily when subjected to torsional and axial overload capacity, and low torsional deflection.
Commercial universal joints are not designed to withstand these extreme conditions or sudden
mechanical changes, and would experience catastrophic failure.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of this specification.
b. PIN to be used with universal joints being acquired (see 1.2).
c. Issue of DoDISS to be cited in the solicitation, and if required, the specific issue of individual
d. Packaging requirements (see 5).
6.3 Qualification. With respect to products requiring qualification, awards will be made only for
products which are, at the time of award of contract, qualified for inclusion in Qualified Products List No.
6193, whether or not such products have actually been so listed by that date. The attention of the
contractors is called to these requirements, and manufacturers are urged to arrange to have the products
that they propose to offer to the Federal Government tested for qualification in order that they may be
eligible to be awarded contracts or purchase orders for the products covered by this specification.
Information pertaining to qualification of products may be obtained from Defense Supply Center,
Columbus, ATTN: VQ, P.O. Box 3990, Columbus, OH 43218-3990.
6.3.1 Provisions governing qualification (SD-6). Copies of "Provisions Governing Qualification" are
available online at https://assist.daps.dla.mil or from the Standardization Document Order Desk, 700
Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.
6.4 Shelf life. This specification covers items where shelf life is a consideration. Specific shelf-life
requirements should be specified in the contract or purchase order. The shelf-life codes are contained in
the Federal Logistics Information System Total Item Record. Additive information for shelf-life
management may be obtained from DoD 4140.27-M, Shelf- life Management Manual, or the designated
shelf-life Points of Contact (POC). The POC should be contacted in the following order: (1) the Inventory
Control Points (ICPs), and (2) the DoD Service and Agency administrators for the DoD Shelf-Life
Program. Appropriate POCs for the DoD Shelf-Life Program can be contacted through the DoD Shelf-
Life Management website: https://www.shelflife.hq.dla.mil/.
6.5 Supersession information. The MS specification sheets associated with MIL-J-6193C has been
canceled, and is superseded by the specification sheets listed in 2.2.1.
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