SIGNALS WARFARE PROJECT MANAGER | 57958 |
CROSS-SECTIONAL SHAPE STYLE | CUP |
CROSS-SECTIONAL THICKNESS | 0.060 INCHES NOMINAL |
CROSS-SECTIONAL HEIGHT | 0.500 INCHES NOMINAL |
CENTER HOLE DIAMETER | 1.017 INCHES MINIMUM AND 1.032 INCHES MAXIMUM |
PERIPHERAL DIAMETER | 8.688 INCHES MINIMUM AND 8.698 INCHES MAXIMUM |
MATERIAL | LEATHER CATTLEHIDE OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-L-40069 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
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. |