5340-01-375-4520 FAIRLEAD,BLOCK Index 3120-01-375-4522 BEARING,SLEEVE

National Stock Number:
5330-01-375-4521

Federal Supply Class:
5330

National Item Identification Number:
013754521

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:
115J565ITEM24N727INTEGRAL AEROSPACE, LLC
115J565ITEM262793BFM ENERGY PRODUCTS CORP
140BG21PC302750EATON AEROSPACE LLC
140BG21PC3302750EATON AEROSPACE LLC
140BG21PC3306RP6DRS NAVAL POWER SYSTEMS INC
140BG21PC306RP6DRS NAVAL POWER SYSTEMS INC
42N1PC1402750EATON AEROSPACE LLC
140BG5-2PC1002750EATON AEROSPACE LLC
140BG5-2PC1006RP6DRS NAVAL POWER SYSTEMS INC
42N1PC1406RP6DRS NAVAL POWER SYSTEMS INC
MS9068-02696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS9068-026A0170LEONARDO SPA AEROSTRUCTURE DIVISION


Techincal Specification:
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.233 INCHES MINIMUM AND 1.245 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIALSILICONE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,PREFORMED
PERIPHERAL DIAMETER1.379 INCHES NOMINAL
TEMP RATING-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT


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