5331-01-249-2877 O-RING Index 5330-01-249-2880 O-RING

National Stock Number:
5330-01-249-2878

Federal Supply Class:
5330

National Item Identification Number:
012492878

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:
216-4455045 F10380064NAVAL SHIP SYSTEMS COMMAND
E0540 2-22702697PARKER-HANNIFIN CORP
E540-8/ARP568-22702697PARKER-HANNIFIN CORP


Techincal Specification:
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS SECTION OUTSIDE DIAMETER0.135 INCHES MINIMUM AND
0.143 INCHES MAXIMUM
CENTER HOLE DIAMETER2.091 INCHES MINIMUM AND
2.127 INCHES MAXIMUM
PERIPHERAL DIAMETER2.387 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
THE MANUFACTURERS DATA
MANUFACTURERS CODE80064
DESIGN CONTROL REFERENCE216-4455045 F103


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