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National Stock Number:
5330-00-359-4252
Federal Supply Class:
5330
National Item Identification Number:
003594252
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:
| 158-379 | 25980 | GRACO INC. | | 1820-50 | 92852 | BENTON HARBOR ENGINEERING INC | | 250S50 | 06848 | HONEYWELL INTERNATIONAL INC | | 250S50 | 13002 | GOODRICH CORPORATION | | 250S50 | 17576 | GOODRICH CORP DBA GOODRICH CORP | | 23750-44 | 70487 | AMERIDRIVES INTERNATIONAL LLC | | A395X72 | 0E9N0 | DAVID BROWN HYDRAULICS INC DBA HYDRECO | | 25K60408 | 12603 | CLARK EQUIPMENT CO | | 6227-50 | 25980 | GRACO INC. | | 250S50 | 55284 | HONEYWELL INTERNATIONAL INC. | | 250S50 | 6K4C8 | GOODRICH CORPORATION | | AN6227-50 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN6227B50 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | 25K60408 | 89749 | CLARK MATERIAL HANDLING COMPANY | | AN6227B50 | 89074 | STANSTEEL CORP A SUB OF ALLIS-CHALMERS CORP |
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Techincal Specification:
| CENTER HOLE DIAMETER | 4.210 INCHES MINIMUM AND 4.240 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | 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 | | TEMP RATING | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT |
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