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

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:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
596
TCC:
Z
SHC:
9
ACC:
Construction Materials

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