Model: 20J64-88

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
4 1st end
Maximum Operating Temp
650.0 degrees fahrenheit single response
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Adjustable Pressure Range
+31.0/+60.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
4.500 inches 1st end
Thickness
0.500 inches 1st end
First Connection Face To Centerline Distance
4.375 inches
Bolt Hole Diameter
0.562 inches 1st end
Second Connection Face To Centerline Distance
4.375 inches
Bolt Circle Diameter
3.375 inches 1st end
Flange Face Design
Plain 1st end
Material
Steel body
Material
Stainless steel flow control device
Material
Stainless steel seat
Material
Stainless steel stem
Media For Which Designed
Steam single response
Style Designator
Angle flanged ends
Nondefinitive Specification/std Data
1 type and d composition
NSN
4820-00-289-3871
Part Number
20J64-88
Description
Valve,safety Relief
CAGE
79500

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 20J64-88 NSN 4820-00-289-3871

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 4820-00-289-3871) 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