A-A-55759A
dash, shall be enclosed within parentheses. The markings shall be legible and placed in rows of
constantly 5 inches apart. The supplier's designation (compound number) shall appear
immediately below the constantly recurring description symbols. The symbols shall be legible and
shall be not less than 3/8 inches high. The symbols shall be applied by suitable means, using a
black colored marking fluid to mark white colored silicones and a white colored marking fluid to
mark other than white colored silicones. The marking shall not be obliterated by normal handling or
by the action of petroleum-based oils.
3.6 Metric products. Products manufactured to metric dimensions will be considered on an equal
basis with those manufactured using inch-pound units, provided they fall within specified tolerances
using conversion tables contained in the latest revision of ASTM SI 10, and all other requirements
of this commercial item description are met. If a product is manufactured to metric dimensions and
those dimensions exceed the tolerances specified in the inch-pound units, a request should be
made to the contracting officer to determine if the product is acceptable.
4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered
materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal
Acquisition Regulation (FAR).
5. PRODUCT CONFORMANCE.
5.1 Product conformance. The products provided shall meet the salient characteristics of this
commercial item description, conform to the producer's own drawings, specifications, standards,
and quality assurance practices, and be the same product offered for sale in the commercial
market. The government reserves the right to require proof of such conformance.
6. PACKAGING. Preservation, packing, and marking shall be as specified in the contract or order.
7. NOTES.
7.1 Part identification number (PIN): the following part identification numbering procedure is for
government purposes and does not constitute a requirement for the contractor. The PINs to be
used for items acquired to this description are created as follows: Basic CID number + dash size
from Table I. Do not use unassigned dash size.
AA55759 001 D 5
Grade
2 = 25
Class
3 = 30
A = 1A
4 =40
B = 1B
5 = 50
C = 2A
6 = 60
D = 2B
7 = 70
E = 3A
8 = 80
F = 3B
Dash size (without class & grade) from Table I
Basic CID number
5
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