Model: 28001-816

Safety Relief Valve

Special Features:

For aircraft salvage crash crane

Properties:

Thread Class

2a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Valve Discharge Flow Rate

50.0 gallons per minute

Maximum Operating Temp

-40.0 degrees fahrenheit single response

Connection Style

G42 flared (tube) 2nd end

Connection Style

G50 external seat for gasket seal (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 1st end

Connection Type

Threaded external tube 2nd end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

1.312 inches all ends

Seat Angle

37.0 degrees 2nd end

Material

Steel body

Media For Which Designed

Oil, hydraulic single response

Thread Series Designator

Unf all ends

NSN

4820-01-451-3690

Part Number

28001-816

Description

Valve,safety Relief

CAGE

58143

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 28001-816 NSN 4820-01-451-3690

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

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:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves