INCH-POUND
MIL-S-851D
21 APRIL 1989
SUPERSEDING
MIL-S-851C
30 MAY 1972
MILITARY SPECIFICATION
STEEL GRIT, SHOT, AND CUT WIRE SHOT; AND IRON GRIT AND SHOT-BLAST
CLEANING AND PEENING
This specification is approved for use within the Department of the Air force and is available for
use by all Departments and Agencies of the Department of Defense.
1. SCOPE.
1.1 Scope. This specification covers cast iron or hardened cast steel grit and shot for blast
cleaning of castings, forgings, ship hulls and decks, or other parts prior to use for the removal of
sand, slag, rust, and marine incrustations; and also cast iron or hardened cast steel shot, or cut
steel wire shot for peening the surface of metals.
1.2 Classification.
1.2.1 Grit and shot. Grit and shot shall be of the following types as specified (See 6.2):
Type I - Cast steel (grit and shot)
Type II - Cast iron (grit and shot)
Type III - Steel cut wire (shot only)
1.2.2 Sizes. Grit, shot and cut wire shall be furnished in the sizes shown in Tables II, III, and IV
as specified (See 6.2).
Beneficial comments (recommendations, additions, deletions) and any pertinent data which may
be of use in improving this document should be addressed to: WR-ALC/MMIRFW, Robins AFB,
GA 31098-5609 by using the self-addressed Standardization Document Improvement Proposal
(DD Form 1426) appearing at the end of this document or by letter.
AMSC N/A FSC 5350
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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