5365-00-375-6970 SPACER,RING Index 5330-00-375-6972 PACKING,PREFORMED

National Stock Number:
5330-00-375-6971

Federal Supply Class:
5330

National Item Identification Number:
003756971

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:
1002815-103840BARTOLINA MFG CO
1002815-1PC1002815-103840BARTOLINA MFG CO
1005570PC1002815103840BARTOLINA MFG CO
548180PC1002815-103840BARTOLINA MFG CO
2100-3112611PC1002815-180064NAVAL SHIP SYSTEMS COMMAND
2100-3127006PC1002815-180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE DIAMETER3.997 INCHES MINIMUM AND 3.999 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.031 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
JOINT TYPEBUTT OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PERIPHERAL DIAMETER3.619 INCHES MINIMUM AND 3.621 INCHES MAXIMUM


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