5331-01-031-8263 O-RING Index 5331-01-031-8265 O-RING

National Stock Number:
5330-01-031-8264

Federal Supply Class:
5330

National Item Identification Number:
010318264

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:
251019210001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
25101924F044PORTER SEAL COMPANY
251019253711NAVAL SEA SYSTEMS COMMAND
S12547-001102925NORTH INDUSTRIES INC DBA TORRID MANUFACTURING COMPANY
S12547-001109257TRELLEBORG SEALING SOLUTIONS US, INC.
S12547-01109257TRELLEBORG SEALING SOLUTIONS US, INC.


Techincal Specification:
CENTER HOLE DIAMETER0.376 INCHES MINIMUM AND 0.384 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZW
CROSS-SECTIONAL HEIGHT0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SPECIAL QUALITY CONTROL TESTING FOR MK 48 TORPEDO
PERIPHERAL DIAMETER0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM


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