FF-T-276C
TABLE III. Lot and sample size.
Production
Sample
lot size
size
1 to 20
2
21 to 50
10
51 to 100
15
101 to 500
20
4.8.2 Tests.
4.8.2.1 Visual and mechanical. Perform a visual and dimensional check in accordance with 3.4.
4.8.2.2 Weight. Type I less than specified minimum weight. Type II and type III, 10 percent less than the
specified approximate weights.
4.8.2.3 Dimensions. The thimbles shall meet the dimensions as specified in table I, II and III.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or
order (see 6.2). When actual packaging of materiel is to be performed by DoD or in- house contractor personnel,
these personnel need to contact the responsible packaging activity to ascertain packaging requirements.
Packaging requirements are maintained by the Inventory Control Point's packaging activities within the Military
Service or Defense Agency, or within the Military Service System Commands. Packaging data retrieval is
available from the managing Military Department's or Defense Agency's automated packaging files, CD-ROM
products, or by contacting the responsible packaging activity.
6. NOTES.
(This section contains information of a general or explanatory nature that may be helpful, but is not
mandatory.)
6.1 Intended use. Type I thimbles are intended for use with fiber rope only. Type II thimbles, light, are
intended for use where the full tension of the rope is not developed in normal use and for fiber rope. Type III
thimbles, heavy, are intended for use with high-grade plow wire rope where heavy commercial thimbles of the
weight and specified dimensions are considered satisfactory. Shackles that are cadmium and heavy zinc plated
are military unique where applications would expose them to salt laden applications, commercial shackles would
are not designed for such applications.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of this specification.
b. PIN (see 1.2).
c. First article or certification required (see 3.1).
d. Packaging requirements (see 5.1).
6.3 Additional reference information. American National Standard M11.1, "Wire Ropes for Mines", may be
consulted as a safety standard for the proper usage of items covered by this specification.
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