Preformed Packing Back-up Ring

Model / MPN: 93375-11 | NSN: 5330-01-514-8681

A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. It prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a packing, preformed or o-ring.

Product Details

NATO Stock Number

5330-01-514-8681

Sold in multiples of

1 EA

DEMIL

Cross Sectional Shape

Solid

Cross-sectional Height

0.049 inches

Center Hole Diameter

Between 2.623 inches and 2.663 inches

Peripheral Diameter

Between 2.746 inches and 2.752 inches

Hardness Rating

Between 85.0 shore durometer a and 95.0 shore durometer a

Part Name Assigned By Controlling Agency

Ring, backup

Material

Rubber synthetic

Material Specification

Mil-r-83248 ty ii military specification single material response

93375 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5EM15T8353	Up Ring, Prefor Back	337	EA	05/18/2015
SPE5EM17T4286	Up Ring, Prefor Back	96	EA	02/09/2017
SPE5EM17T7097	Up Ring, Prefor Back	72	EA	04/24/2017
SPE5EM17T9741	Up Ring, Prefor Back	302	EA	07/17/2017
SPE5EM18T5602	Up Ring, Prefor Back	433	EA	03/19/2018

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

93375-11 Cross Reference

8-038V709-90
8-038V709-90