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National Stock Number:
5330-00-999-9309
Federal Supply Class:
5330
National Item Identification Number:
009999309
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:
| 345MS908 | 72902 | PALMETTO INC | | 345MSE-160 | 5F573 | GREENE TWEED & CO INC | | 345MSE160A | 5F573 | GREENE TWEED & CO INC | | 345MSE160A | 72902 | PALMETTO INC | | 53-41474-3 | 76301 | THE BOEING COMPANY | | 87439-345 | 59304 | WESTERN ENVIRONMENTAL INC | | 87439-345 | 77068 | ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV |
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Techincal Specification:
| CENTER HOLE DIAMETER | 3.970 INCHES MINIMUM AND 4.000 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.321 INCHES MINIMUM AND 0.331 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | FLANGED BODY OUTSIDE DIAMETER | 4.076 INCHES MINIMUM AND 4.094 INCHES MAXIMUM | | HARDNESS RATING | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 4.400 INCHES MINIMUM AND 4.410 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | TEMP RATING | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT |
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