3020-01-382-3048 GEAR,SPUR Index 5305-01-382-3050 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5330-01-382-3049

Federal Supply Class:
5330

National Item Identification Number:
013823049

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:
121450G3PC6794271LOCKHEED MARTIN CORP
MS9068-15396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER3.472 INCHES MINIMUM AND 3.502 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIALSILICONE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,PREFORMED
PERIPHERAL DIAMETER3.693 INCHES NOMINAL
TEMP RATING-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT


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