Model: 1385721-71 (MOD)

Check Valve

Special Features:

This valve varies from naval drawing 803-1385721 by o-rings of viton fluorocarbon iaw mil-r-83248, type 1, cl 1; by silver braze union ends and ni-cu side plug. Similar to 4820-01-347-9983 which has end connections and o-rings per drawing 803-1385721. Similar to 4820-01-276-5714 which is special clean, hx quality control and testing specs.

Properties:

Pipe Size Accommodated

1.500 millimeters all ends

Flow Control Device

Disk

Maximum Operating Temp

150.0 degrees fahrenheit single response

End Application

Cvn 68 service usage potable 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

1.5" 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

4820-01-481-6212

Part Number

1385721-71 (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 1385721-71 (MOD) NSN 4820-01-481-6212

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

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