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* INCH-POUND *
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OO-D-2776
November 12, 1992
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SUPERSEDING
MIL-D-21201F
9 August 1984
FEDERAL SPECIFICATION
DRILL, PNEUMATIC DRIFTER, SELF-PROPELLED,
CRAWLER MOUNTED (TRACK DRILL)
This specification is approved by the Commissioner, Federal
Supply Service, General Services Administration, for the use
of all Federal agencies.
1. SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers two types of self-propelled,
crawler mounted, drifter drills (referred to hereinafter as "track drill"),
having not less than a 4.75-inch cylinder bore.
1.2 Classification. The track drills covered by this specification are
classified by the method utilized for rotation of the pneumatic drifter drill
and are classified as follows (see 6.2 and 6.4):
Type I - Rifle bar
Type II - Independent air motor drive
2. APPLICABLE DOCUMENTS
2.1 Government documents.
2.1.1 Specifications and standards. The following specification and
standard form a part of this document to the extent specified herein. Unless
otherwise specified, the issues of these documents are those listed in the issue
of the Department of Defense Index of Specifications and Standards (DODISS) and
supplement thereto, cited in the solicitation (see 6.2).
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*Beneficial comments (recommendations, additions, deletions) and any pertinent*
*data which may be of use in improving this document should be addressed to: *
*Commanding Officer (Code 156), Naval Construction Battalion Center, *
*621 Pleasant Valley Road, Port Hueneme, CA 93043-4300, by using the *
*Standardization Document Improvement Proposal (DD Form 1426) appearing at the*
*end of this document or by letter. *
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FSC 3820
DISTRIBUTION STATEMENT A. Approved for public release; distribution is
unlimited.
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