5330-01-245-1420 PACKING,PREFORMED Index 5330-01-245-1422 PACKING,PREFORMED

National Stock Number:
5330-01-245-1421

Federal Supply Class:
5330

National Item Identification Number:
012451421

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:
4384536-1XX1-4880064NAVAL SHIP SYSTEMS COMMAND
4384536-1XX1-48CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
M83461/1-019CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
M83461/1-0190U583SAE INTERNATIONAL
M83461/1-01981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
M83461/1-01981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER0.941 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANED IN ACCORDANCE WITH MIL-C-52211
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT


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