A-A-51171B
7. NOTES
7.1 Part or identification number (PIN). The following PIN procedure is for government purposes and does not constitute a requirement for the contractor.
AA51171 - X X X X Example of reference part number: AA51171-1A4B
Class: A - Coarse tooth spacing
B - Medium tooth spacing
C - Fine tooth spacing
D - Extra coarse tooth spacing
Size: (see table I)
Style: A - Right-hand spiral fluting
B - Right-hand spiral fluting with chip breaker
C - Double cut fluting
D - Diamond cut fluting
E - Straight fluting
Type: 1 - Type I (High speed steel)
2 - Type II (Tungsten carbide)
CID number
AA51171-1A4B identifies a high speed steel file with right hand spiral fluting, a shank diameter of 1/4-inch and a cutter head diameter of 1/2-inch, and medium tooth spacing.
7.2 Sources of documents.
7.2.1 FAR. The FAR may be obtained from the Superintendent of Documents, P.O. Box
371954, Pittsburgh, PA 15250-7954. Electronic copies of FAR documents may be obtained from https://www.arnet.gov/far/.
7.2.2 ASTM standards. Copies of ASTM standards may be obtained from ASTM International,
100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. Electronic copies of ASTM standards may be obtained from https://www.astm.org/.
7.3 Ordering data. The acquisition order should specify the following:
a. CID document number, revision, and CID PIN. b. Type of rotary file (see 2.1).
c. Style of rotary file (see 2.2). d. Size of rotary file (see 2.3).
e. Shank and cutter head diameters and length, if different (see 2.3). f. Class of rotary file (see 2.4).
g. Preservation, packing, and marking (see 6.1).
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