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National Stock Number:
4730-01-289-1747
Federal Supply Class:
4730
National Item Identification Number:
012891747
Description:
SLEEVE,FLARED,TUBE FITTING
Detail:
A flanged cylindrical metallic item designed to be used on tubing to back up the flared end and to provide a bearing surface for the coupling nut, thereby reducing wear on the tubing flare. The inside diameter of the flanged end is countersunk to form a seat for the flare when assembled to a mating fitting.
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Manufacturer Information:
| 5525589 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | FLANGE OUTSIDE DIAMETER | 2.125 INCHES NOMINAL | | FLANGE WIDTH | 0.250 INCHES NOMINAL | | HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED | 1.850 INCHES NOMINAL | | OVERALL LENGTH | 4.000 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 | | METALLIC HARDNESS RATING | 28.0 MINIMUM ROCKWELL C AND 32.0 MAXIMUM ROCKWELL C | | SEAT ANGLE IN DEG | 45.0 | | SLEEVE OUTSIDE DIAMETER | 2.047 INCHES NOMINAL | | STYLE DESIGNATOR | SLEEVE | | SURFACE TREATMENT | OXIDE |
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