5331-01-261-6719 O-RING Index 5330-01-261-6721 GASKET

National Stock Number:
5330-01-261-6720

Federal Supply Class:
5330

National Item Identification Number:
012616720

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:
7M7537-176301THE BOEING COMPANY
7M7537-191511AUTO-VALVE, INC


Techincal Specification:
CENTER HOLE DIAMETER1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLETEE
CROSS-SECTIONAL HEIGHT0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3325 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER FLUOROSILICONE CLASS FQ OVERALL
PERIPHERAL DIAMETER2.395 INCHES MINIMUM AND 2.411 INCHES MAXIMUM


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