NPFC - MIL-G-613
GRAPNELS, MARINE, TRIP WIRE, AND CRASH TRUCK
| Organization: | NPFC |
| Publication Date: | 17 September 1963 |
| Status: | inactive |
| Page Count: | 18 |
scope:
This specification covers marine, trip wire and crash truck grapnels.
Grapnels shall be of the following types, sizes and classes, as specified (see 6.1):
Type I - Heavy marine. Size 1 - 450 pounds (4 prong). Size 2 - 225 pounds (5 prong). Size 3 - 170 pounds (3 prong). Type II - Light marine. Size 1 - 100 pounds (5 prong). Class 1 - Wrought iron or mild steel. Class 2 - Nonmagnetic. Size 2 - 50 pounds (5 prong). Size 3 - 15 pounds (5 prong). Class 1 - Wrought iron or mild steel. Class 2 - Nonmagnetic. Size 4 - 4 pounds (5 prong). Class 1 - Wrought iron or mild steel. Class 2 - Nonmagnetic. Size 5 - 2 pounds (3 prong). Type III - Trip wire. Size 1 - 26 ounces (3 prong). Type IV - Crash truck. Size 1 - 5 pounds (4 prong). Size 2 - 11 pounds (3 prong).
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