A-A-50459A
April 14, 1989
SUPERSEDING
A-A-50459
May 24, 1983
COMMERCIAL ITEM DESCRIPTION
SHEARS, METAL CUTTING, ELECTRIC (PORTABLE)
Abstract. This commercial item description (CID) covers two types of portable electric shears for straight and/or contour cutting of ferrous and nonferrous sheet materials.
Salient characteristics.
1. Types and sizes: Types and sizes shall be in accordance with table I and as follows:
Type I shears shall be manually held and guided type, single shear action with a pair of blades, one the stationary blade, the other blade with reciprocating movement.
Type II shears shall be hand guided double shear action with one cutting blade pivoted to operate between two stationary blades producing double shear action, and shall be provided with a swivel head having a locking device to fix the head in one of several positions.
TABLE I. Requirements.
|
Type |
Size |
capacity |
Cutting Rate (min.) |
Cutting Radius (min.) |
Overall Length (max.) |
Weight w/o cable (max.) |
|
|
Manufacturers gage |
Steel thickness (approx.) |
||||||
|
|
|
|
Inch |
Ft. Min |
Inches |
Inches |
Pounds |
|
I |
1 |
18- |
0.048 |
15 |
1 |
12 |
10 |
|
I |
2 |
16- |
0.060 |
15 |
1-1/2 |
14 |
12 |
|
I |
3 |
12- |
0.105 |
15 |
2-1/2 |
15 |
16 |
|
II |
4 |
18- |
0.048 |
15 |
3 |
13 |
5 |
|
I |
5 |
14- |
0.075 |
10 |
3/4 |
11 |
5 |
|
Beneficial comments (recommendations, additions, deletions, clarifications, etc., and any other data which may improve this document should be sent by letter to: Commanding Officer, Naval Construction Battalion Center (Code 156), Port Hueneme, CA 93043-5000). |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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