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National Stock Number:
5330-00-422-7130
Federal Supply Class:
5330
National Item Identification Number:
004227130
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:
| ARP 568-113 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 90.0 SHORE DUROMETER A MAXIMUM OVERALL | | CROSS SECTION INSIDE DIAMETER | 0.544 INCHES MINIMUM AND | | 0.554 INCHES MAXIMUM | | CROSS-SECTIONAL THICKNESS | 0.100 INCHES MINIMUM AND | | 0.106 INCHES MAXIMUM |
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