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National Stock Number:
5330-00-862-3073
Federal Supply Class:
5330
National Item Identification Number:
008623073
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:
| 8407395 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| BODY RECESS DEPTH | 0.078 INCHES NOMINAL | | BODY RECESS DIAMETER | 2.000 INCHES MINIMUM AND 2.005 INCHES MAXIMUM | | CENTER HOLE DIAMETER | 1.654 INCHES MINIMUM AND 1.657 INCHES MAXIMUM | | COLOR | BLACK | | CRITICALITY CODE JUSTIFICATION | ADVV AND ADYT | | CROSS-SECTIONAL HEIGHT | 0.562 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | FSC APPLICATION DATA | RECOIL MECHANISM,HOWITZER,155MM | | HARDNESS RATING | 60.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D2000 2BC615ABE3B2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | PERIPHERAL DIAMETER | 2.873 INCHES MINIMUM AND 2.878 INCHES MAXIMUM | | SPECIAL FEATURES | OUTSIDE CORNERS CHAMFERED 0.100 IN. BY 22 DEG |
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