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National Stock Number:
5330-00-580-5830
Federal Supply Class:
5330
National Item Identification Number:
005805830
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:
| 1820-7 | 81168 | STROHMEYER JULIE A. DBA JULIE A. STROHMEYER | | 8107A0PC10 | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV | | AN6227-7 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SPECIAL FEATURES | | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | SPECIAL FEATURES | CLEANED IN ACCORDANCE WITH MIL-C-19874 | | TEMP RATING | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT |
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