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National Stock Number:
5330-01-096-8821
Federal Supply Class:
5330
National Item Identification Number:
010968821
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:
| 52660-300 ITEM NO. 14 | 99643 | EATON AEROSPACE LLC | | 52660-300 ITEM NO. 14CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 63750-100 ITEM 21CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | M83248-2-113CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | M83248-2-113 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 63750-100 ITEM 21 | 99643 | EATON AEROSPACE LLC | | V-7445 PIECE 50 | 53154 | PORTLAND VALVE LLC |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZW | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | DEPARTURE FROM CITED DOCUMENT | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | HARDNESS RATING | 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-83248 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER FLUOROCARBON CLASS FPM OVERALL | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2 CLASS | | TEMP RATING | -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT |
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