6810-00-882-1676 SULFURIC ACID,ELECTROLYTE Index 5330-00-882-1678 PACKING,PREFORMED

National Stock Number:
5330-00-882-1677

Federal Supply Class:
5330

National Item Identification Number:
008821677

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:
300450400198PRATT & WHITNEY CANADA CORP
39939177445RTX CORPORATION
5330PL10323659009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
MS9388-15496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS9388-154F0229LE JOINT FRANCAIS


Techincal Specification:
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER3.722 INCHES MINIMUM AND 3.752 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM
CROSS SECTION OUTSIDE DIAMETER0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEO-RING
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
PERIPHERAL DIAMETER3.943 INCHES NOMINAL
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT


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