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National Stock Number:
5330-01-226-8321
Federal Supply Class:
5330
National Item Identification Number:
012268321
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:
| 2620-906X12PC27 | 96169 | ELECTRIC BOAT CORPORATION | | 845-2110224PC10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MS28775-009 | 0U583 | SAE INTERNATIONAL | | 845-2110227 PC 27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MS28775-009 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS28775-009 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ELONGATION PERCENTAGE | 160 MAXIMUM | | CENTER HOLE DIAMETER | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 0.348 INCHES NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | TEMP RATING | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT |
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