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National Stock Number:
5330-00-741-7728
Federal Supply Class:
5330
National Item Identification Number:
007417728
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:
| MILP11719 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ANGLE | 14.0 DEGREES NOMINAL | | CENTER HOLE DIAMETER | 0.750 INCHES NOMINAL | | CROSS-SECTIONAL HEIGHT | 0.375 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | FLANGED BODY OUTSIDE DIAMETER | 1.187 INCHES NOMINAL | | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL | | OUTER GROOVE DEPTH | 0.046 INCHES NOMINAL | | OUTER GROOVE WIDTH | 0.032 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D2000 4GE705B1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER SILICONE CLASS Q OVERALL | | PERIPHERAL DIAMETER | 1.375 INCHES MINIMUM AND 1.380 INCHES MAXIMUM |
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