Model: 3148

Check Valve

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

Flareless all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Facility

Bulkhead

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Seat Angle

12.0 degrees all ends

Opening Pressure Setting

5.0 pounds per square inch

Material

Steel comp 303 body

Material

Steel comp 416 flow control device

Media For Which Designed

Hydraulic fluid, petroleum base single response

Surface Treatment

Passivate

Style Designator

Tee

Thread Series Designator

Unjf all ends

NSN

4820-00-946-5481

Part Number

3148

Description

Valve,check

CAGE

70236

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 3148 NSN 4820-00-946-5481

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:

0.1000lbs

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:

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