NSN: 3540-00-278-1251 STRETCHERS, STEEL STRAPPING, HAND: Steel strapping stretchers shall be the drum type with limited take-up, without shear device, for use with open or thread-on seals. The stretchers are used for applying flat steel strapping on bales, boxes, bundles, cartons, crates, pallets, and freight bracing, and shall have the following characteristics; 1) The stretcher shall be manually operated and capable of taking up and tensioning flat steel strapping by the reciprocating action of a handle with a ratchet. The stretcher shall be capable of retaining the tension of the strapping as the handle is released. The stretcher shall have a means for releasing the strapping from the stretcher after the strapping has been sealed. 2) The stretcher shall take-up and tension strapping 3/4 to 1-1/4 inch in width and 0.028 to 0.050 inch thick conforming to Type 1 of ASTM D 3953. The stretcher shall withstand a minimum strapping load of 5060 pounds when utilizing the 1-1/4 inch wide strapping with no visual slippage of strapping and no deformation, binding, fracture, or breakage of stretcher components. 3) The stretcher components shall be heat-treated or case-hardened in accordance with the manufacturer’s standard commercial practice. The stretcher finish shall be in accordance with the manufacturer’s standard commercial practice. 4) The stretcher shall have a means for adjustment, service, and replacement of components. 5) The stretcher shall be marked for identification in accordance with the manufacturer’s standard practice and shall include the strapping size range for stretcher use. The marking shall be permanent and legible. Note: Unit of issue is each (EA)

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