5365-00-501-7548 RING,EXTERNALLY THREADED Index 5330-00-501-7550 RETAINER,PACKING

National Stock Number:
5330-00-501-7549

Federal Supply Class:
5330

National Item Identification Number:
005017549

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:
1015-501-7549SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
501754919204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
CENTER HOLE DIAMETER0.250 INCHES NOMINAL
COLORBLACK
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEOVAL
FSC APPLICATION DATARECOIL MECHANISM,HOWITZER,105MM
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL
PERIPHERAL DIAMETER0.688 INCHES NOMINAL


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