Preformed Packing Back-up Ring

Model / MPN: M1420-3-EL | NSN: 5330-01-501-9995

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

5330-01-501-9995

Sold in multiples of

1 EA

DEMIL

Cross Sectional Shape

Single turn spiral

Cross-sectional Height

0.060 inches

Center Hole Diameter

1.625 inches

Peripheral Diameter

1.861 inches

End Application

Lift check valve

Material

Plastic polytetrafluoroethylene

Material Specification

Mil-r-8791, -8791/1-223 military specification single material response

M1420 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E318T1336	Up Ring, Prefor Back	126	EA	11/02/2017

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

M1420-3-EL Cross Reference

AS8791
M8791/1-223
MPL2532 PC 7