Model: DS-B-90301L1

Check Valve

Properties:

Flow Control Device

Disk

Disk Loading Method

Weight

Bolt Hole Quantity

10 all ends

Maximum Operating Temp

200.0 degrees fahrenheit single response

Valve Operation Method

Manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal

Valve Size

4.000 inches

Maximum Operating Pressure

1200.0 pounds per square inch single response

Criticality Code Justification

Zzzy

Outside Diameter

8.690 inches all ends

Face To Face Distance

14.500 inches

Thickness

1.440 inches all ends

Bolt Hole Diameter

0.690 inches all ends

Bolt Circle Diameter

7.188 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy 964 body

Material

Copper alloy 964 flow control device

Material Specification

Mil-c-20159, uns c96400 military specification single material response body

Material Specification

Mil-c-20159, uns c96400 military specification single material response flow control device

Media For Which Designed

Water-oil-gas single response

Style Designator

Straight through flanged ends

Reference Number Differentiating Characteristics

Quality control in accordance with navships 0948-045-7010 material identification and control instruction for subsafe items

NSN

4820-01-399-7921

Part Number

DS-B-90301L1

Description

Valve,check

CAGE

03950

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 DS-B-90301L1 NSN 4820-01-399-7921

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:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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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