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National Stock Number:
5330-00-493-3841
Federal Supply Class:
5330
National Item Identification Number:
004933841
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:
| CRP71-1 | 51633 | PERFORMANCE POLYMER TECHNOLOGIES, LLC | | GS570CM1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CENTER HOLE DIAMETER | 2.580 INCHES MINIMUM AND 2.620 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | FLANGE | | CROSS-SECTIONAL THICKNESS | 0.070 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D2000 2BC715 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | PERIPHERAL DIAMETER | 3.010 INCHES MINIMUM AND 3.050 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
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