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National Stock Number:
5330-00-297-2456
Federal Supply Class:
5330
National Item Identification Number:
002972456
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:
| C742595-169 | 21921 | RCA CORP DISTRIBUTOR AND SPECIAL PRODUCTS DIV | | C742595-169 | 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES |
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Techincal Specification:
| CENTER HOLE DIAMETER | 16.376 INCHES MINIMUM AND 16.436 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | HARDNESS RATING | 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-5315 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
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