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National Stock Number:
5330-01-440-2293
Federal Supply Class:
5330
National Item Identification Number:
014402293
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.
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Manufacturer Information:
| 5520719 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D 2000 M3CH 720 A25B34E16E36F14 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR | | CROSS-SECTIONAL HEIGHT | 7.5 MILLIMETERS NOMINAL | | CENTER HOLE DIAMETER | 28.6 MILLIMETERS NOMINAL | | PERIPHERAL DIAMETER | 39.95 MILLIMETERS NOMINAL |
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