A-A-50493 Oil, Penetrating for Loosening Frozen Metallic PartsThis commercial item description CID establishes the government acquisition requirements for penetrating oil to be used for freeing of corroded and frozen metallic parts resisting movement, without causing damage to such parts. The penetrating oil is applied to metal surfaces to break down rust and corrosion, reduce friction, and retard corrosion.

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A-A-50493C

TABLE I.  National stock numbers (NSNs) for bio-based and non-bio-based penetrating oils.

7.5  Ordering data.  The contract or order should specify the following:

a.  CID document number, revision, and CID PIN

b. Class and type (see 2)

c.  Unit of issue (see 2)

d. Quantity (see 2)

e.  Certification clause (see 4.2)

f.  Preservation, packing, and marking requirements (see 6.1)

g.  Hazardous material identification and material safety data sheets (see 7.3)

7.6  Subject term (key word) listing.

bio-based

bio-based content corrosion

friction mineral rust synthetic

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