Model: 663956-2

Valve Seat
Description:

1.242 inches flange diameter, 0.803 inches overall height, 52.0 rockwell b hardness rating, test criticality code justification.

Properties:

Flange Diameter
Between 1.242 inches and 1.246 inches
Overall Height
Between 0.803 inches and 0.813 inches
Taper Length
Between 0.220 inches and 0.260 inches
Taper Minor Diameter
Between 0.330 inches and 0.340 inches
Taper Major Diameter
Between 0.489 inches and 0.495 inches
Seal Accommodation Type
Grooved
Hardness Rating
52.0 rockwell b and 56.0 rockwell b
Criticality Code Justification
Test
Material
Stainless steel
Material Specification
Mil-s-7720, comp 303, cond b military specification single material response
Surface Treatment
Nickel
Test Data Document
99193-663956 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Fsc Application Data
Solenoid valve
NSN
4810-00-016-1042
Part Number
663956-2
Description
Seat,valve
CAGE
59364

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Part 663956-2 NSN 4810-00-016-1042

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

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

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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