5330-01-311-4630 PACKING,PREFORMED Index 5331-01-311-4632 O-RING

National Stock Number:
5330-01-311-4631

Federal Supply Class:
5330

National Item Identification Number:
013114631

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:
1234525319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
CENTER HOLE DIAMETER0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065 MIL SPEC SINGLE MATERIAL RESPONSE OR ASTM D2000,IEC 410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER OVERALL
PERIPHERAL DIAMETER0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM


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