5331-00-599-0475 O-RING Index 5330-00-599-0477 PACKING,PREFORMED

National Stock Number:
5330-00-599-0476

Federal Supply Class:
5330

National Item Identification Number:
005990476

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:
78358PC7281316PORTSMOUTH NAVAL SHIPYARD
78361PC7281316PORTSMOUTH NAVAL SHIPYARD
9400-935414ALT6PC0480064NAVAL SHIP SYSTEMS COMMAND
ASR13-9400-343884PC7280064NAVAL SHIP SYSTEMS COMMAND
ASR13-9400-343886PC7280064NAVAL SHIP SYSTEMS COMMAND
80113PC0481316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
CENTER HOLE DIAMETER1.250 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.625 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEU
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL
HARDNESS RATING35.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER2.000 INCHES NOMINAL


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