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National Stock Number:
5330-00-171-3100
Federal Supply Class:
5330
National Item Identification Number:
001713100
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:
| 2620-906PC48SPCLN | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 2620-906PC48SPCLN | 96169 | ELECTRIC BOAT CORPORATION | | 341-6CSPCLN | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | PERIPHERAL DIAMETER | 0.476 INCHES MINIMUM AND 0.482 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY PAC MATL AND FEAT IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SPECIAL FEATURES | ENDS CHAMFERRED 25 TO 35 DEG ANGLE |
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