Model: AA14521A

Fluid Pressure Regulating Valve

Properties:

Body Material
Aluminum alloy
Body Style
Tee angle
Media For Which Designed
Hydrocarbon fuels and oils
First End Connection Type
Threaded internal boss
First End Style Designator
Gasket seal
First End Thread Size And Series/type Designator
3/4-16 unjf
First End Thread Class
3b
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Third End Relationship With Preceding Ends
Identical with first end
Fourth End Relationship With Preceding Ends
Not identical with first, second or third end
Fourth End Connection Type
Threaded internal boss
Fourth End Style Designator
Gasket seal
Fourth End Thread Size And Series/type Designator
7/16-20 unjf
Fourth End Thread Class
3b
Fourth End Thread Direction
Right-hand
Seat Material
Steel, corrosion resisting
End Connection Quantity
4
Outlet Pressure Range
+1250.0/+1550.0 pounds per square inch
Regulation Type
Automatic double stage
Valve Stem Design
Single seat
Remote Actuation Method
Piston
Maximum Inlet Pressure Rating
2500.0 pounds per square inch
Filter
Not included
Fsc Application Data
Hydraulic system, acft
NSN
4820-00-474-2255
Part Number
AA14521A
Description
Valve,regulating,fluid Pressure
CAGE
62983

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 AA14521A NSN 4820-00-474-2255

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
6.0 X 6.0 X 6.0
Paclk Weight:
3.5000lbs
Item Weight:
2.7000lbs
Item Dim:
005500550055
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
R
LVL_B:
R

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:
Z
ACC:
Equipment for Aircraft

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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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