5305-01-563-1269 SCREW,TAPPING Index 5310-01-563-1271 WASHER,SPRING TENSION

National Stock Number:
5330-01-563-1270

Federal Supply Class:
5330

National Item Identification Number:
015631270

Description:
PACKING,PREFORMED

Detail:
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.


Manufacturer Information:
21804121296169ELECTRIC BOAT CORPORATION
4429-514VN07322MINNESOTA RUBBER CO
596-7410824-1553711NAVAL SEA SYSTEMS COMMAND
B434-2640-1596169ELECTRIC BOAT CORPORATION


Techincal Specification:
CROSS SECTION INSIDE DIAMETER4.975 INCHES NOMINAL
CROSS-SECTIONAL THICKNESS0.275 INCHES NOMINAL
MATERIALCARBON OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING PREFORMED QUAD RING


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