M1420-3-EL

Preformed Packing Back-up Ring

NSN 5330-01-501-9995

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

015019995

Product Features

Scaef cut 000 cut at angle 22-19 degrees; width 0.118in

Product Technical Spec.

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

NSN:

5330-01-501-9995

Item Name:

Backup Ring

Cage Code:

0ASY6

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

AS8791

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

M8791/1-223

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MPL2532 PC 7

Cage Code:

0ASY6

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

66949

FIIG:

A528B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194050

UFC:

78100

LTL:

70.0

LCL:

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

Submit this form for current pricing and availability quote on part number m1420-3-el and/or cross reference parts.

Definition Definition of approved item name (AIN): "Backup Ring"

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.