2520-00-081-5119 CAGE ASSEMBLY Index 3120-00-081-5122 BEARING,WASHER,THRUST

National Stock Number:
5330-00-081-5120

Federal Supply Class:
5330

National Item Identification Number:
000815120

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:
2620-614PC41096169ELECTRIC BOAT CORPORATION
SS845-1889678REVEPC41080064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANGLE105.0 DEGREES NOMINAL
CENTER HOLE DIAMETER2.872 INCHES MINIMUM AND 2.878 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEANGLE
CROSS-SECTIONAL HEIGHT0.562 INCHES NOMINAL
HARDNESS RATING50.0 SHORE DUROMETER A MAXIMUM OVERALL
JOINT TYPESCARF-PERIPHERAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER4.000 INCHES NOMINAL
SPECIAL FEATURESTWELVE 0.234 IN. DIA HOLES EQUALLY SPACED ON 3.562 IN. DIA BOLT CIRCLE


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