Model: 1385721 MODIFIED

Check Valve

Special Features:

Cds cds 5399-033-e-0001 rev b dated 1-14-09 delineates modifications to navships dwg 803-1385721: 1) orings of fluorocarbon iaw mil-r-83248, type 1 cl 1; 2) socket bore breakage/chamfer shall not exceed .010; 3) waterway bore breakage/chamfer shall not exceed .0625; 4) tailpieces are cuni iaw mil-c-15728 alloy c71500, union end connections iaw mil-f-1183; 5) nicu side plugs. Design pressure 400.0 psi, temperature 150 degrees fahrenheit.

Properties:

Pipe Size Accommodated

0.750 inches all ends

Flow Control Device

Disk

Disk Loading Method

Weight

Maximum Operating Temp

150.0 degrees fahrenheit single response

Connection Style

Socket (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

3/4" bronze union end swing check

Material

Copper alloy 922 body

Material

Nickel alloy flow control device

Material Specification

Astm b494 gr -30c assn standard 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

Special Test Features

This equipment considered shock qualified by test active report no aeronav lab inc shock test no. 0-1102-2; naval approval authority subships nn, va letter 9505 ser cvn74/75-262g/1063 dated 28 may 1991.Considered vibration qua ified by test report 9-1045-1 by aeronav labsdates 15 jun 1990. Approved by: supships nn, va ltr 9505 ser cvn76-261g/1161 dated 24 jun 1996.

Style Designator

Straight thru

Furnished Items And Quantity

2 tailpiece

NSN

4820-01-482-1855

Part Number

1385721 MODIFIED

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 MODIFIED NSN 4820-01-482-1855

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