Model: 959B

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.250 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Connection Style
G46b plain (pipe) 1st end
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Features Provided
Valve stem lock shield
Maximum Operating Pressure
500.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Opening Pressure Setting
475.0 pounds per square inch
Material
Copper alloy flow control device and plastic polyamide flow control device
Material
Copper alloy seat
Material
Copper alloy body
Media For Which Designed
Air single response
Style Designator
Angle
Thread Series Designator
Npt 1st end
NSN
4820-00-683-8922
Part Number
959B
Description
Valve,safety Relief
CAGE
58553

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 959B NSN 4820-00-683-8922

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:



Privacy Policy    Terms & Conditions

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this safety relief valve (NSN 4820-00-683-8922) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

Highest Rated Parts
Recently Purchased Parts
Hot Parts