Model: 77-1896

Fluid Pressure Regulating Valve

Properties:

Body Material
Brass, qq-b-626, alloy 377
Outside Surface Treatment
Lacquer, tt-l-26 and passivated, mil-std-171, finish no. 4.3
Body Style
Angle
Furnished Items
Automatic relief valve and bonnet
Media For Which Designed
Air and nitrogen
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.250 inches
First End Thread Size And Series/type Designator
7/16-20 unf
First End Thread Class
3a
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Seat Material
Any acceptable
First End Seat Angle In Deg
37.0
Packing Material
Any acceptable
Flow Control Device
Diaphragm
Flow Control Device Material
Any acceptable
End Connection Quantity
2
Mounting Facility
Bracket
Regulation Type
Automatic double stage
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Maximum Inlet Pressure Rating
3000.0 pounds per square inch
Filter
Not included
NSN
4820-00-022-5806
Part Number
77-1896
Description
Valve,regulating,fluid Pressure
CAGE
27372

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Part 77-1896 NSN 4820-00-022-5806

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27565
FIIG:
A21100
Concept No.:
1
App. Key:
D
Cond. Code:
2
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level

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