Model: 254844

Valve Disk

Special Features:

Next higher assembly p/n 254844, manifold 3/4 stop check distilling system. Material is qq-c-390 alloy d5. Shank has 3 ribs equally spaced with 1 hole 0.094 inch diameter 0.250 inch from end. Flange has one hole 0.062 inch diameter at shank.

Properties:

Inside Diameter
0.406 inches
Shank Diameter
0.813 inches
Flange Diameter
1.438 inches
Overall Height
1.188 inches
Inside Depth
0.688 inches
End Application
Used on ssn 688 without change from the manifold used on ssn 837. Further shock qualification not required.
Under Flange Height
0.500 inches
Seat Angle
30.0 degrees
Material
Copper alloy
Media For Which Designed
Liquid
Style Designator
Poppet
NSN
4820-01-487-8025
Part Number
254844
Description
Disk,valve
CAGE
43689

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

Part 254844 NSN 4820-01-487-8025

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
35224
FIIG:
A539Y0
Concept No.:
App. Key:
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:
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:
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:
671
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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