Model: 5-656-16SS

Safety Relief Valve

Properties:

Thread Class
3a 1st end3b 2nd end
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
-40.0 degrees fahrenheit 1st response275.0 degrees fahrenheit 2nd response
Connection Style
G42 flared (tube) 1st endg4 gasket sea (boss) 2nd end
Connection Style
Flared (tube) 1st endgasket sea (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st endthreaded internal boss 2nd end
Maximum Operating Pressure
2500.0 pounds per square inch single response
Thread Size
0.563 inches all ends
Seat Angle
37.0 degrees 1st end
Material
Steel comp 303 bodyrubber butadiene-acrylonitrile class nbr seat
Media For Which Designed
Air 1st responsealcohol, ethyl 2nd responseammonia, gaseous 3rd responseammonia, liquid 4th responserefrigerant 12 5th response
Style Designator
Straight through note: to be used for valve bodies of separable sections.
Thread Series Designator
Unjf 1st endunf 2nd end
NSN
4820-00-776-9373
Part Number
5-656-16SS
Description
Valve,safety Relief
CAGE
94590

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 5-656-16SS NSN 4820-00-776-9373

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
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

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