Model: 1385721-2 (MOD)

Check Valve

Special Features:

This valve varies from naval drawing 803-1385721 by o-rings of viton gluorocarbon iaw mil-r-83248, type 1, cl 1; by silver braze union ends and ni-cu side plug. Similar to 4820-01-093-8541 and 4820-01-462-4474, which are hx quality control and testing specs. Similar to 4820-01-451-6023, which is non mag, testing a81349 mil-s-901

Properties:

Pipe Size Accommodated
0.375 millimeters all ends
Flow Control Device
Disk
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
Cvn 68 service usage hvac and chill water
Connection Style
Socket with brazing ring (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
400.0 pounds per square inch single response
Part Name Assigned By Controlling Agency
3/8" brnz union end swing check valve
Material
Copper alloy 922 body
Material
Nickel alloy flow control device
Material Specification
Astm a494 assn standard single material response flow control device and qq-n-281 federal specification single material response flow control device
Material Specification
Astm b61 assn standard single material response body
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Furnished Items And Quantity
2 brazing ring
NSN
4820-01-481-6174
Part Number
1385721-2 (MOD)
Description
Valve,check
CAGE
80064

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 1385721-2 (MOD) NSN 4820-01-481-6174

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
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:
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:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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