Model: 253871 PC 5 & PC 6

Valve Disk

Special Features:

Material specification is astm a494 grade m30c. Next higher assembly: 4820-01-467-6910, 4820-01-541-5700, 4820-01-467-6910, 4820-01-474-1716, 10 inch gate valve iaw mil-v-1189

Properties:

Taper Length
11.188 inches
Taper Minor Diameter
1.774 inches
Taper Major Diameter
3.758 inches
Pressure Rating
250.0 pounds per square inch
Seat Angle
5.0 degrees
Material
Nickel alloy
Media For Which Designed
Gas or oil or water
Style Designator
Solid wedge
Supplementary Features
Supplied with excess material on the seating surface that must be machined off when fitting new seat and wedge. Replaces 4820-01-455-5005 due to design change for a one-piece cast wedge that replaces a two-piece, brazed wedge.
NSN
4820-01-511-3905
Part Number
253871 PC 5 & PC 6
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 253871 PC 5 & PC 6 NSN 4820-01-511-3905

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:
56.8000lbs
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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