5310-01-048-4989 WASHER,LOCK Index 5331-01-048-4991 O-RING

National Stock Number:
5330-01-048-4990

Federal Supply Class:
5330

National Item Identification Number:
010484990

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:
ARP568-916MILR25897VITONCL10U583SAE INTERNATIONAL
ARP568-916MILR25897VITONCL181343SOCIETY OF AUTOMOTIVE ENGINEERS INC


Techincal Specification:
CENTER HOLE DIAMETER1.161 INCHES MINIMUM AND 1.181 INCHES MAXIMUM
CROSS SECTION OUTSIDE DIAMETER0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEO-RING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25897,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
PERIPHERAL DIAMETER1.403 INCHES NOMINAL


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