MIL-S-851D
6.1 Intended use.
6.1.1 Type I and II grit is for use in commercial blast cleaning equipment for general blast cleaning purposes as specified in 1.1.
6.1.2 Type I, II, and III shot is for use in peening metal surfaces to impart compressive stresses to these surfaces thereby increasing fatigue resistance, or for general blast cleaning purposes where the cutting action of grit is undesirable.
6.2 Ordering data. Procurement documents should specify the following:
a. Title, number, and date of this specification.
b. Type of and whether grit or shot is required (see 1.2.1). c. Sizes of Grit, shot, or cut wire (see 1.2.2).
d. Hardness range, when required (see 3.4.1 or 3.4.2). e. Level of packing, and palletization (see 5.1).
6.3 Subject term (Key Word) listing.
Cleaning
Cut wire shot Iron grit Peening
Steel grit
6.4 Military part number. The military part number for this item is M851-1.
6.5 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes (additions, modification, corrections, deletions) from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notation. Bidders and contractors are cautioned to evaluate the requirement of this document based on the entire content irrespective of the marginal notations in relationship to the last previous issue.
Custodians: Preparing Activity: Air Force-99 Air Force-84
Army-MR
Navy-SH Project Number. 5350-0046
Reviewers: Navy-AS, OS
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