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National Stock Number:
5330-01-543-8742
Federal Supply Class:
5330
National Item Identification Number:
015438742
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:
| 803-6397247-3X1X-28 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397247-3X1X-28CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.492 INCHES MINIMUM AND 0.493 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | U | | CROSS-SECTIONAL HEIGHT | 0.345 INCHES NOMINAL | | FSC APPLICATION DATA | STOP AN NEEDLE VALVE CARTRIDGE | | MATERIAL | PLASTIC POLYURETHANE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | U-CUP PACKING | | PERIPHERAL DIAMETER | 0.752 INCHES MINIMUM AND 0.755 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | SPECIAL FEATURES | GLAND DIMENSIONING PER (53711) 803-6397247 |
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