Model: 2252-2

Safety Relief Valve

Properties:

Thread Class

2b all ends

Thread Direction

Right-hand all ends

Flow Control Device

Piston

Disk Loading Method

Spring

Valve Discharge Flow Rate

12.0 pounds per hour

End Application

Seawolf class ssn

Connection Style

G4 gasket sea (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal boss all ends

Adjustable Pressure Range

+825.0/+1400.0 pounds per square inch

Maximum Operating Pressure

1400.0 pounds per square inch single response

Thread Size

0.750 inches all ends

Material

Steel comp 416 body

Material

Steel comp 416 seat

Thread Series Designator

Unf all ends

Specification Data

81349-mil-v-8813 government specification

NSN

4820-01-417-9514

Part Number

2252-2

Description

Valve,safety Relief

CAGE

94874

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 2252-2 NSN 4820-01-417-9514

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

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