8R7641-14

Restrictor Check Valve

NSN 4820-00-512-1708

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
UOM:
NIIN:
005121708

Product Features

Over-all dim., 2.250 in. Lg, 0.688 in. Across flats

Technical Specifications of NSN

Thread Class:
3a 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Connection Style:
Flared (tube) 1st end
Connection Type:
Threaded external tube 1st end
Mounting Position:
Horizontal
Thready Qty Per Inch (tpi):
20 1st end
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
0.437 inches 1st end
Seat Angle:
37.0 degrees 1st end
Outside Diameter Tube Accommodated:
0.250 inches 1st end
Material:
Rubber synthetic packing
Material:
Stainless steel flow control device
Media For Which Designed:
Air single response
Style Designator:
Straight thru
Thread Series Designator:
Unf 1st end
NSN:
4820-00-512-1708
Item Name:
Restrictor Valve
Cage Code:
26044

Other Related Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20520
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
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

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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Pricing & Availability

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Definition Definition of approved item name (AIN): "Restrictor Valve"

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

MOE Major Organizational Entities

Entity
DSOR
User:
GREECE Greece
DSOR:

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