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National Stock Number:
5330-00-405-2552
Federal Supply Class:
5330
National Item Identification Number:
004052552
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:
| 49B6413-31 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER |
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Techincal Specification:
| ANGLE | 77.0 DEGREES MINIMUM AND 79.0 DEGREES MAXIMUM | | CENTER HOLE DIAMETER | 1.875 INCHES MINIMUM AND 1.885 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | U | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | PERIPHERAL DIAMETER | 2.253 INCHES MINIMUM AND 2.275 INCHES MAXIMUM |
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