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National Stock Number:
5330-00-824-4541
Federal Supply Class:
5330
National Item Identification Number:
008244541
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:
| 2620-906-12PC8 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 2620-906-12PC8 | 96169 | ELECTRIC BOAT CORPORATION | | 58-007-15 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 58-007-15SPCLN | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 845-1889555 PC 42 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MS28775-007 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ELONGATION PERCENTAGE | 160 MAXIMUM | | CENTER HOLE DIAMETER | 0.145 INCHES MINIMUM AND 0.146 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.070 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | HARDNESS RATING | 68.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 0.285 INCHES NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL IN ACCORDANCE WITH ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | TEMP RATING | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT |
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