5360-01-390-0064 SPRING,HELICAL,COMPRESSION Index 5305-01-390-0066 SCREW,MACHINE

National Stock Number:
5330-01-390-0065

Federal Supply Class:
5330

National Item Identification Number:
013900065

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:
803-2177934-X3XX53711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE DIAMETER0.438 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-24503,TYPE 2, CL 2, GRADE N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALGRAPHITE OVERALL
PERIPHERAL DIAMETER0.655 INCHES NOMINAL


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