Model: 279505N

Safety Relief Valve

Special Features:

Weapon system essential

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Needle

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

End Application

M939 series 5 ton truck

Connection Style

G9 plain, optional en (pipe) all ends

Valve Operation Method

Air

Connection Type

Threaded internal pipe all ends

Mounting Facility

Bracket

Thread Size

0.250 inches all ends

Criticality Code Justification

Feat

Media For Which Designed

Air single response

Surface Treatment Specification

Tt-c-490 federal specification 1st treatment response and tt-p-636 federal standard 1st treatment response and tt-e-529, color 24087 military specification 1st treatment response

Thread Series Designator

Anpt all ends

NSN

4820-01-114-7543

Part Number

279505N

Description

Valve,safety Relief

CAGE

06853

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 279505N NSN 4820-01-114-7543

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:

0.6000lbs

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

Freight Class: Safety or relief valves