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National Stock Number:
5330-01-543-8710
Federal Supply Class:
5330
National Item Identification Number:
015438710
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:
| 803-6397247-3XXX-27 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397247-3XXX-27CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR | | CROSS-SECTIONAL HEIGHT | 0.297 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | PERIPHERAL DIAMETER | 0.738 INCHES MINIMUM AND 0.740 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
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