Model: 548-1IN

Check Valve

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Mounting Position

Vertical

Thready Qty Per Inch (tpi)

11-1/2 1st end

Maximum Operating Pressure

125.0 pounds per square inch 1st response

Maximum Operating Pressure

200.0 pounds per square inch 2nd response

Thread Size

1.000 inches all ends

Material

Copper alloy

Material Specification

Qq-c-390, alloy b5/d/ federal specification single material response body

Material Specification

Qq-c-390, alloy b5/d/ federal specification single material response seat

Media For Which Designed

Steam 1st response

Media For Which Designed

Water-oil-gas 2nd response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

NSN

4820-00-287-4380

Part Number

548-1IN

Description

Valve,check

CAGE

76364

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 548-1IN NSN 4820-00-287-4380

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:

1.0000lbs

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:

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