5310-01-115-5386 WASHER,FLAT Index 5330-01-115-5388 PACKING,PREFORMED

National Stock Number:
5330-01-115-5387

Federal Supply Class:
5330

National Item Identification Number:
011155387

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:
5-586-N304-7502697PARKER-HANNIFIN CORP
5-586N304-75001JKEMBRAER S.A. DBA EMBRAER
PMS28775-001-0318876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
CENTER HOLE DIAMETER8.77 MILLIMETERS MINIMUM AND 9.03 MILLIMETERS MAXIMUM
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT1.82 MILLIMETERS MINIMUM AND 1.98 MILLIMETERS MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OR N304-75 FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER0.487 INCHES MINIMUM AND 0.509 INCHES MAXIMUM
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT


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