5331-01-526-6254 O-RING Index 1560-01-526-6255 INSULATION,THERMAL,AIRCRAFT

National Stock Number:
5330-01-526-6254

Federal Supply Class:
5330

National Item Identification Number:
015266254

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:
4074T58P5699207GENERAL ELECTRIC COMPANY
A9A01002-006165F573GREENE TWEED & CO INC
K903000GGM9DUPONT SPECIALTY PRODUCTS USA LLC


Techincal Specification:
CENTER HOLE DIAMETER0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL HEIGHT0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY: PACKING, PREFORMED
MATERIALRUBBER SILICONE CLASS Q
SPECIAL FEATURESNEXT HIGHER ASSY IS NSN 2840-01-526-5791; POWER TURBINE ASSY


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