Model: B31643D
Stop-check ValveProperties:
Pipe Size Accommodated
0.750 inches 1st end
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Renewable Seat Ring Type
Threaded
Maximum Operating Temp
775.0 degrees fahrenheit single response
Connection Style
Socket (pipe) 1st end
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe 1st end
Mounting Position
Horizontal or vertical
Features Provided
Valve stem lock shield and bonnet packing
Maximum Operating Pressure
1500.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Material
Steel comp 410 flow control device
Material
Steel comp 410 seat
Material
Stainless steel stem
Media For Which Designed
Steam single response
Style Designator
Straight thru
Reference Number Differentiating Characteristics
Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
NSN
4820-00-121-6870
Part Number
B31643D
Description
Valve,stop-check
CAGE
Part B31643D NSN 4820-00-121-6870
INC:
05486 FIIG:
A530B0 Concept No.:
1 App. Key:
Cond. Code:
2 Status:
A Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsHMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
S Packaging & Shipping
Pack Size:
16.3 X 8.5 X 8.5 Paclk Weight:
28.0000lbs Item Weight:
-- Item Dim:
-- OPI:
A SPI No.:
SPI Rev.:
SPC Mkg:
24 LVL_A:
E LVL_B:
F Freight Classification
NMFC:
051080 UFC:
29300 LTL:
RATING VARIABLE LCL:
-- WCC:
594 TCC:
Z SHC:
9 ACC:
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