5330-01-285-0668 PACKING,PREFORMED Index 5330-01-285-0670 PACKING,PREFORMED

National Stock Number:
5330-01-285-0669

Federal Supply Class:
5330

National Item Identification Number:
012850669

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.


Manufacturer Information:
5330PL07993669009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
MS28775-3370U583SAE INTERNATIONAL
PL-11761-F-18ITEM456E0UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
MS28775-33781343SOCIETY OF AUTOMOTIVE ENGINEERS INC
PL-11761-F-18ITEM456E88032CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
MS28775-33796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE-AS287750U583SAE INTERNATIONAL


Techincal Specification:
ELONGATION PERCENTAGE160 MAXIMUM
CENTER HOLE DIAMETER2.960 INCHES MINIMUM AND 2.990 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZW
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
PERIPHERAL DIAMETER3.395 INCHES NOMINAL
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT


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