Model: VV81-08C1

Check Valve

Properties:

Thread Class

2 all ends

Flow Control Device

Poppet

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Thready Qty Per Inch (tpi)

12 all ends

Maximum Operating Pressure

6000.0 pounds per square inch single response

Thread Size

1.750 inches all ends

Criticality Code Justification

Zzzy

Material

Nickel alloy body

Material

Rubber fluorocarbon class fpm seat

Material Specification

Mil-g-23652 military specification single material response seat

Material Specification

Qq-n-281 federal specification single material response body

Style Designator

Straight thru

Thread Series Designator

Un all ends

Reference Number Differentiating Characteristics

Quality controlled iaw navy level 1 assurance guide, cleaned iaw mil-c-52211

NSN

4820-01-422-0413

Part Number

VV81-08C1

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 VV81-08C1 NSN 4820-01-422-0413

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: 8481309000
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel