Model: 8-263 N300-90

Preformed Packing Back-up Ring

Properties:

Cross Sectional Shape

Contoured face solid

Tempurature Rating

-40.0 degrees fahrenheit and 180.0 degrees fahrenheit

Cross-sectional Height

0.050 inches

Center Hole Diameter

7.268 inches

Peripheral Diameter

7.504 inches

Hardness Rating

90.0 shore durometer a

Part Name Assigned By Controlling Agency

Parbak

Material

Rubber butadiene-acrylonitrile class nbr

Material Specification

(92697)no300-90 buna-n mfr ref single material response

NSN

5330-01-499-9913

Part Number

8-263 N300-90

Description

Back-up Ring,preformed Packing

CAGE

02697

Part 8-263 N300-90 NSN 5330-01-499-9913

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

66949

FIIG:

A528B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

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

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

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