4820-01-542-1916 COVER PLATE,VALVE Index 5305-01-542-1918 BALL SCREW ASSEMBLY

National Stock Number:
5330-01-542-1917

Federal Supply Class:
5330

National Item Identification Number:
015421917

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:
1555-2478527STAPLES & PFEIFFER INC.


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL
FSC APPLICATION DATAVALVE STEM
LUBRICATION MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
LUBRICATION METHODIMPREGNATED
MATERIAL DOCUMENT AND CLASSIFICATION3/8 SQUARE GARLOCK PM-1 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALFIBER NONASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSQ PLUG STEM PACKING


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