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National Stock Number:
5330-01-133-1596
Federal Supply Class:
5330
National Item Identification Number:
011331596
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:
| 74D51000-2027 | 11960 | KIRKHILL TA HASKON DIV | | 74D511000-2027 | 3DBN7 | KIRKHILL INC | | 74D511000-2027 | 75345 | KIRKHILL, INC. | | 74D511000-2027 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| ANGLE | 45.0 DEGREES NOMINAL | | CENTER HOLE DIAMETER | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.500 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | CUP | | HARDNESS RATING | 25.0 SHORE DUROMETER A MINIMUM AND 35.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ZZ-R-765,CL 3B,GR 30 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER SILICONE CLASS Q OVERALL | | PERIPHERAL DIAMETER | 1.875 INCHES MINIMUM AND 1.915 INCHES MAXIMUM |
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