Model: CVC4121-3-4

Check Valve

Properties:

Thread Class

3a 2nd end

Thread Class

3a 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

-65.0 degrees fahrenheit 1st response

Maximum Operating Temp

275.0 degrees fahrenheit 2nd response

Connection Style

Flared (tube) 1st end

Connection Style

Flared (tube) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Connection Type

Threaded external tube 2nd end

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.375 inches 2nd end

Thread Size

0.437 inches 1st end

Seat Angle

37.0 degrees 1st end

Seat Angle

37.0 degrees 2nd end

Material

Steel comp 303 body

Material

Stainless steel flow control device or steel comp 416 flow control device

Material Specification

Mil-s-18732 military specification 1st material response flow control device or qq-s-764, type 416 federal specification 2nd material response flow control device

Material Specification

Qq-s-764, comp 303 federal specification single material response body

Media For Which Designed

Hydraulic fluid, mineral base single response

Surface Treatment

Passivate

Style Designator

Straight thru

Thread Series Designator

Unjf 2nd end

Thread Series Designator

Unjf 1st end

Specification Data

80378-cvc4121 manufacturers standard

NSN

4820-01-042-7626

Part Number

CVC4121-3-4

Description

Valve,check

CAGE

80378

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 CVC4121-3-4 NSN 4820-01-042-7626

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:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8481302090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of steel