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National Stock Number:
5330-00-477-4786
Federal Supply Class:
5330
National Item Identification Number:
004774786
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:
| 121B615H01 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | | 121B615H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 367421-1 | 00752 | L3HARRIS TECHNOLOGIES, INC. | | K1N5225 | 07322 | MINNESOTA RUBBER CO |
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Techincal Specification:
| CENTER HOLE DIAMETER | 1.873 INCHES MINIMUM AND 1.877 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | MATERIAL | PLASTIC POLYPROPYLENE OVERALL | | OUTER GROOVE DEPTH | 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM | | OUTER GROOVE WIDTH | 0.094 INCHES NOMINAL | | PERIPHERAL DIAMETER | 1.998 INCHES MINIMUM AND 2.002 INCHES MAXIMUM |
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