5330-00-027-9255 PACKING,PREFORMED Index 5330-00-027-9257 PACKING,PREFORMED

National Stock Number:
5330-00-027-9256

Federal Supply Class:
5330

National Item Identification Number:
000279256

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:
81688099251MISSION SYSTEMS DAVENPORT INC.


Techincal Specification:
CENTER HOLE DIAMETER0.029 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.040 INCHES NOMINAL
FSC APPLICATION DATAOXYGEN SYSTEMS,FIXED AIRCRAFT
HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-5847,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER SILICONE CLASS Q OVERALL


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