Model: H643-7002A-157

Preformed Packing Back-up Ring

Special Features:

Back-up ring for o-ring 20.955 in x 0.275 cross section

Properties:

Cross Sectional Shape
Solid
Cross-sectional Height
0.250 inches
End Application
Nssn class submarine combined induction/exhaust valve assembly
Material
Plastic polytetrafluoroethylene
Material Specification
81364/astm-d3293 ty ii s/s by astm-d3294 ty ii assn standard single material response
NSN
5330-01-501-1385
Part Number
H643-7002A-157
Description
Back-up Ring,preformed Packing
CAGE

Part H643-7002A-157 NSN 5330-01-501-1385

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194050
UFC:
78100
LTL:
70.0
LCL:
--
WCC:
596
TCC:
Z
SHC:
9
ACC:
Construction Materials

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