Model: HS4550-10

Check Valve

Special Features:

Cracking pressure is rated at 4 inches h20 (water)

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Renewable Seat Ring Type

Pressed-in

Maximum Operating Temp

250.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

End Application

Helicopter, apache ah-64

Connection Style

Flareless all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal

Maximum Operating Pressure

300.0 pounds per square inch single response

Thread Size

0.875 inches all ends

Seat Angle

12.0 degrees all ends

Outside Diameter Tube Accommodated

0.625 inches all ends

Material

Aluminum alloy

Media For Which Designed

Air 2nd response

Media For Which Designed

Fuel/oil, hydrocarbon 1st response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unjf all ends

NSN

4820-01-182-5129

Part Number

HS4550-10

Description

Valve,check

CAGE

02731

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 HS4550-10 NSN 4820-01-182-5129

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:

0.2000lbs

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:

Trailers/Vehicles

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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