521B20

Fluid Pressure Regulating Valve

NSN 4820-00-457-6536

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004576536

Technical Specifications of NSN

Body Material:
Brass
Body Style:
Angle
Furnished Items:
Inlet pressure gage and outlet pressure gage
First End Connection Type:
Threaded internal pipe
First End Style Designator:
Plain
First End Thread Size And Series/type Designator:
0.250-18 npt
First End Thread Direction:
Right-hand
Second End Relationship With First End:
Identical
Seat Material:
Polyamide nylon
Packing Material:
Rubber, buna-n
Flow Control Device:
Diaphragm
Flow Control Device Material:
Rubber, synthetic
End Connection Quantity:
2
Outlet Pressure Range:
+25.0 to 4000.0 pounds per square inch
Regulation Type:
Manual single stage
Manual Control Method:
Knob
Valve Stem Design:
Single seat
Valve Loading Method:
Bellows
Maximum Inlet Pressure Rating:
4500.0 pounds per square inch
Filter:
Not included
Tempurature Rating:
Between -65.0 degrees fahrenheit and 165.0 degrees fahrenheit
NSN:
4820-00-457-6536
Item Name:
Water Pressure Regulator
Cage Code:
28968

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
44-1115-24-002 W/2EA 1726-5000
Cage Code:
13669
RNCC:
3
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
44-1115-24-002 W/2EA 8020-6000
Cage Code:
33538
RNCC:
3
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
5342F4B
Cage Code:
28968
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:

Part Identification

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

Part Materials

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:
0.1000lbs
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:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Construction Materials

  We Guarantee with Every Order

  •   100% Genuine Manufacturers Parts
  •   Every Product thoroughly Inspected
  •   Sales Record Retention of 7 years
  •   Fast Delivery
  •   HAZMAT Certified
  •   Global Shipping

Pricing & Availability

Submit this form for current pricing and availability quote on part number 521b20 and/or cross reference parts.
Part / NSN:
Qty:
Your Email:
Phone:
Ref. / PO #:
Company:

We do not share or sell your information to anyone.
Privacy | Terms

Definition Definition of approved item name (AIN): "Water Pressure Regulator"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

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


Best-Selling Products A collection of our most popular products