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National Stock Number:
5330-00-813-9569
Federal Supply Class:
5330
National Item Identification Number:
008139569
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:
| SSN578-845-1523798PC12 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY RECESS DEPTH | 0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM | | CENTER HOLE DIAMETER | 2.534 INCHES MINIMUM AND 2.554 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.134 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | CROSS-SECTIONAL THICKNESS | 0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | FLANGED BODY OUTSIDE DIAMETER | 2.875 INCHES MINIMUM AND 2.905 INCHES MAXIMUM | | HARDNESS RATING | 50.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 2.945 INCHES MINIMUM AND 2.975 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.023 INCHES MINIMUM AND 0.039 INCHES MAXIMUM |
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