5330-01-331-8137 PACKING,PREFORMED Index 5330-01-331-8139 PACKING,PREFORMED

National Stock Number:
5330-01-331-8138

Federal Supply Class:
5330

National Item Identification Number:
013318138

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:
280248-0005ITEM6499657MAROTTA CONTROLS INC
501-6603017PC8953711NAVAL SEA SYSTEMS COMMAND
M83248/2-92096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZY
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
PERIPHERAL DIAMETER1.711 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS


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