5310-01-053-2898 WASHER,RECESSED Index 5330-01-053-2900 SEAL,PLAIN ENCASED

National Stock Number:
5330-01-053-2899

Federal Supply Class:
5330

National Item Identification Number:
010532899

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:
55357-2499167HAMILTON SUNDSTRAND CORPORATION
S-30213-116-N09257TRELLEBORG SEALING SOLUTIONS US, INC.


Techincal Specification:
CENTER HOLE DIAMETER0.864 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.108 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SPECIAL FEATURES3 NOTCHES 0.012 RADIUS
PERIPHERAL DIAMETER0.926 INCHES NOMINAL


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