Model: 1B4978
Boss ElbowSpecial Features:
Six holes, 0.286 dia, 0.740 recess (both ends).
Properties:
A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes elbow, tube.
Part 1B4978 NSN 4730-01-398-9966
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
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Schedule B and Export
- Schedule B: 7507200000
- SITC: 68322
- End Use: Finished metal shapes
- NAICS: 332919
- USDA: 1
Freight Class: Tube or pipe fittings of nickel
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