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National Stock Number:
5330-00-290-8811
Federal Supply Class:
5330
National Item Identification Number:
002908811
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:
| SCB29959 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| MATERIAL | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR | | RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 417,GR RS 810BC2F2 MIL STD ALL MATERIAL RESPONSES OVERALL | | COLOR | BLACK | | HARDNESS RATING | 75.0 SHORE DUROMETER A MINIMUM AND | | 85.0 SHORE DUROMETER A MAXIMUM OVERALL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | CROSS-SECTIONAL HEIGHT | 0.207 INCHES NOMINAL | | INNER GROOVE DEPTH | 0.093 INCHES NOMINAL | | INNER GROOVE WIDTH | 0.083 INCHES NOMINAL | | CENTER HOLE DIAMETER | 1.499 INCHES NOMINAL | | PERIPHERAL DIAMETER | 1.689 INCHES NOMINAL |
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