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Worldwide distributor of NSN parts and consumables located in the USA.

Preformed Packing

Model / MPN: 185S21 | NSN: 5330-00-260-9649
ITAR Registered seal

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.

Product Details
NATO Stock Number
5330-00-260-9649
Sold in multiples of
1 EA
DEMIL
NO
Cross Sectional Shape
V
Tempurature Rating
-65.0 degrees fahrenheit and 160.0 degrees fahrenheit
Rim Surface Width
Between 0.130 inches and 0.150 inches
Center Hole Diameter
Between 1.984 inches and 2.016 inches
Peripheral Diameter
Between 2.609 inches and 2.641 inches
Hardness Rating
85.0 shore durometer a and 91.0 shore durometer a
Material
Rubber butadiene-acrylonitrile class nbr
Material Specification
Mil-p-5516, cl a military specification single material response
Solicitations
Solicitation Description Qty UOM Close Date
SPE5EJ15TB981 Packing, Preformed 481 EA 08/13/2015
SPE5EJ16T8369 Packing, Preformed 700 EA 06/07/2016
SPE5E318T9612 Packing, Preformed 507 EA 04/18/2018
SPE5E320T2625 Packing, Preformed 1621 EA 12/06/2019
SPE7M321T8349 Packing, Preformed 725 EA 04/05/2021

Pricing and Availability

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185S21 Cross Reference
  • AN6225-31
  • AN6225B31
  • P-JS-103-1-B31
  • AMS-P-5516
  • SSN613-522-2015450PC44
  • P-JS-103-1-B31
  • 185S21