2840-01-497-3969 FITTING,AIRCRAFT,MA Index 5331-01-497-3971 O-RING

National Stock Number:
5330-01-497-3970

Federal Supply Class:
5330

National Item Identification Number:
014973970

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:
MS9967-0151E0F1ROLLS ROYCE CORP


Techincal Specification:
CENTER HOLE DIAMETER0.546 INCHES MINIMUM AND 0.556 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
FSC APPLICATION DATAROLLS-ROYCE AE2100D3 TURBOSHAFT ENGINE
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIALRUBBER FLUOROSILICONE CLASS FQ OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,AIRCRAFT,MA
PERIPHERAL DIAMETER0.691 INCHES NOMINAL
SPECIAL FEATURESCONTRACTOR SUPPORTED ITEM
TEMP RATING-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT


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