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National Stock Number:
5330-01-564-5439
Federal Supply Class:
5330
National Item Identification Number:
015645439
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:
| 803-2177525-X3XX-63 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-X3XX-63CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.500 INCHES MINIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR | | CROSS-SECTIONAL HEIGHT | 0.187 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-24503,TY2,CL2.GR1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | GRAPHITE OVERALL | | PERIPHERAL DIAMETER | 0.881 INCHES MINIMUM AND 0.896 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | SPECIAL FEATURES | END ITEM:VALVE |
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