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National Stock Number:
5330-01-231-0939
Federal Supply Class:
5330
National Item Identification Number:
012310939
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:
| 71869PC34 | 81982 | HYDRO-AIRE AEROSPACE CORP | | C98124 | 89326 | BARKSDALE INC | | SAE-AS28775 | 0U583 | SAE INTERNATIONAL | | MS28775-231 | 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 | 2.619 INCHES NOMINAL | | CROSS-SECTIONAL HEIGHT | 0.143 INCHES NOMINAL | | CRITICALITY CODE JUSTIFICATION | ZZZW | | DEPARTURE FROM CITED DOCUMENT | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATONS | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR | | PERIPHERAL DIAMETER | 2.887 INCHES NOMINAL | | TEMP RATING | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT |
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