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National Stock Number:
4320-01-207-0344
Federal Supply Class:
4320
National Item Identification Number:
012070344
Description:
RING,LANTERN
Detail:
AN ITEM OF SINGLE OR MULTIPIECE CONSTRUCTION, CIRCULAR IN SHAPE AND USUALLY OF H-SHAPE CROSS SECTION, DESIGNED FOR INSERTION BETWEEN PACKING RINGS ON PUMP SHAFTS. THE WEB OF THE RING IS PERFORATED TO PERMIT FLOW OF LIQUID TO THE SHAFT AND PACKING FOR SEALING, COOLING AND LUBRICATING PURPOSES.
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Manufacturer Information:
| 1945188 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | QQ-C-390 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | SSN612-203-1945188 PIECE 19 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| HEIGHT | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM | | INSIDE DIAMETER | 17.677 INCHES MINIMUM AND 17.687 INCHES MAXIMUM | | OUTSIDE DIAMETER | 19.355 INCHES MINIMUM AND 19.360 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 903 OVERALL | | SPECIAL FEATURES | 2 HOLES,0.250-20UNC-2B,CTR 0.4375 IN. FM OD,180.0 DEG APART; 24 HOLES,0.500 IN. DIA,RADIAL,15.0 DEG APART; 63.0 MICROIN,EXTERIOR |
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